261376527280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{1511}}^1$

素因数の和:1956

約数の個数: 320

約数和(自身を含む): 727009468416

約数和(自身を除く): 465632941136

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 80, 85, 88, 110, 124, 136, 155, 170, 176, 187, 220, 248, 272, 310, 340, 341, 373, 374, 440, 496, 527, 620, 680, 682, 746, 748, 880, 935, 1054, 1240, 1360, 1364, 1492, 1496, 1511, 1705, 1865, 1870, 2108, 2480, 2635, 2728, 2984, 2992, 3022, 3410, 3730, 3740, 4103, 4216, 5270, 5456, 5797, 5968, 6044, 6341, 6820, 7460, 7480, 7555, 8206, 8432, 10540, 11563, 11594, 12088, 12682, 13640, 14920, 14960, 15110, 16412, 16621, 20515, 21080, 23126, 23188, 24176, 25364, 25687, 27280, 28985, 29840, 30220, 31705, 32824, 33242, 41030, 42160, 46252, 46376, 46841, 50728, 51374, 57815, 57970, 60440, 63410, 65648, 66484, 69751, 82060, 83105, 92504, 92752, 93682, 101456, 102748, 115630, 115940, 120880, 126820, 127193, 128435, 132968, 139502, 164120, 166210, 185008, 187364, 196571, 205496, 231260, 231880, 234205, 253640, 254386, 256870, 265936, 279004, 282557, 328240, 332420, 348755, 374728, 393142, 410992, 462520, 463760, 468410, 507280, 508772, 513740, 515251, 558008, 563603, 565114, 635965, 664840, 697510, 749456, 786284, 796297, 925040, 936820, 982855, 1017544, 1027480, 1030502, 1116016, 1127206, 1130228, 1271930, 1329680, 1395020, 1412785, 1572568, 1592594, 1873640, 1965710, 2035088, 2054960, 2061004, 2162281, 2254412, 2260456, 2543860, 2576255, 2790040, 2818015, 2825570, 3145136, 3185188, 3747280, 3931420, 3981485, 4122008, 4324562, 4508824, 4520912, 5087720, 5152510, 5580080, 5636030, 5651140, 6199633, 6370376, 7862840, 7962970, 8244016, 8649124, 8759267, 9017648, 9581251, 10175440, 10305020, 10811405, 11272060, 11302280, 12399266, 12740752, 15725680, 15925940, 17298248, 17471693, 17518534, 19162502, 20610040, 21622810, 22544120, 22604560, 24798532, 30998165, 31851880, 34596496, 34943386, 35037068, 38325004, 41220080, 43245620, 43796335, 45088240, 47906255, 49597064, 61996330, 63703760, 69886772, 70074136, 76650008, 86491240, 87358465, 87592670, 95812510, 99194128, 105393761, 123992660, 139773544, 140148272, 153300016, 172982480, 174716930, 175185340, 191625020, 192188623, 210787522, 247985320, 279547088, 297018781, 349433860, 350370680, 383250040, 384377246, 421575044, 495970640, 526968805, 594037562, 698867720, 700741360, 766500080, 768754492, 843150088, 960943115, 1053937610, 1188075124, 1397735440, 1485093905, 1537508984, 1686300176, 1921886230, 2107875220, 2376150248, 2970187810, 3075017968, 3267206591, 3843772460, 4215750440, 4752300496, 5940375620, 6534413182, 7687544920, 8431500880, 11880751240, 13068826364, 15375089840, 16336032955, 23761502480, 26137652728, 32672065910, 52275305456, 65344131820, 130688263640, 261376527280]

約数ペア:

[(1, 261376527280), (2, 130688263640), (4, 65344131820), (5, 52275305456), (8, 32672065910), (10, 26137652728), (11, 23761502480), (16, 16336032955), (17, 15375089840), (20, 13068826364), (22, 11880751240), (31, 8431500880), (34, 7687544920), (40, 6534413182), (44, 5940375620), (55, 4752300496), (62, 4215750440), (68, 3843772460), (80, 3267206591), (85, 3075017968), (88, 2970187810), (110, 2376150248), (124, 2107875220), (136, 1921886230), (155, 1686300176), (170, 1537508984), (176, 1485093905), (187, 1397735440), (220, 1188075124), (248, 1053937610), (272, 960943115), (310, 843150088), (340, 768754492), (341, 766500080), (373, 700741360), (374, 698867720), (440, 594037562), (496, 526968805), (527, 495970640), (620, 421575044), (680, 384377246), (682, 383250040), (746, 350370680), (748, 349433860), (880, 297018781), (935, 279547088), (1054, 247985320), (1240, 210787522), (1360, 192188623), (1364, 191625020), (1492, 175185340), (1496, 174716930), (1511, 172982480), (1705, 153300016), (1865, 140148272), (1870, 139773544), (2108, 123992660), (2480, 105393761), (2635, 99194128), (2728, 95812510), (2984, 87592670), (2992, 87358465), (3022, 86491240), (3410, 76650008), (3730, 70074136), (3740, 69886772), (4103, 63703760), (4216, 61996330), (5270, 49597064), (5456, 47906255), (5797, 45088240), (5968, 43796335), (6044, 43245620), (6341, 41220080), (6820, 38325004), (7460, 35037068), (7480, 34943386), (7555, 34596496), (8206, 31851880), (8432, 30998165), (10540, 24798532), (11563, 22604560), (11594, 22544120), (12088, 21622810), (12682, 20610040), (13640, 19162502), (14920, 17518534), (14960, 17471693), (15110, 17298248), (16412, 15925940), (16621, 15725680), (20515, 12740752), (21080, 12399266), (23126, 11302280), (23188, 11272060), (24176, 10811405), (25364, 10305020), (25687, 10175440), (27280, 9581251), (28985, 9017648), (29840, 8759267), (30220, 8649124), (31705, 8244016), (32824, 7962970), (33242, 7862840), (41030, 6370376), (42160, 6199633), (46252, 5651140), (46376, 5636030), (46841, 5580080), (50728, 5152510), (51374, 5087720), (57815, 4520912), (57970, 4508824), (60440, 4324562), (63410, 4122008), (65648, 3981485), (66484, 3931420), (69751, 3747280), (82060, 3185188), (83105, 3145136), (92504, 2825570), (92752, 2818015), (93682, 2790040), (101456, 2576255), (102748, 2543860), (115630, 2260456), (115940, 2254412), (120880, 2162281), (126820, 2061004), (127193, 2054960), (128435, 2035088), (132968, 1965710), (139502, 1873640), (164120, 1592594), (166210, 1572568), (185008, 1412785), (187364, 1395020), (196571, 1329680), (205496, 1271930), (231260, 1130228), (231880, 1127206), (234205, 1116016), (253640, 1030502), (254386, 1027480), (256870, 1017544), (265936, 982855), (279004, 936820), (282557, 925040), (328240, 796297), (332420, 786284), (348755, 749456), (374728, 697510), (393142, 664840), (410992, 635965), (462520, 565114), (463760, 563603), (468410, 558008), (507280, 515251), (508772, 513740)]