256048560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:425

約数の個数: 320

約数和(自身を含む): 985651200

約数和(自身を除く): 729602640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 27, 30, 34, 36, 38, 40, 45, 48, 51, 54, 57, 60, 68, 72, 76, 80, 85, 90, 95, 102, 108, 114, 120, 135, 136, 144, 152, 153, 170, 171, 180, 190, 204, 216, 228, 240, 255, 270, 272, 285, 304, 306, 323, 340, 342, 360, 367, 380, 408, 432, 456, 459, 510, 513, 540, 570, 612, 646, 680, 684, 720, 734, 760, 765, 816, 855, 912, 918, 969, 1020, 1026, 1080, 1101, 1140, 1224, 1292, 1360, 1368, 1468, 1520, 1530, 1615, 1710, 1835, 1836, 1938, 2040, 2052, 2160, 2202, 2280, 2295, 2448, 2565, 2584, 2736, 2907, 2936, 3060, 3230, 3303, 3420, 3670, 3672, 3876, 4080, 4104, 4404, 4560, 4590, 4845, 5130, 5168, 5505, 5814, 5872, 6120, 6239, 6460, 6606, 6840, 6973, 7340, 7344, 7752, 8208, 8721, 8808, 9180, 9690, 9909, 10260, 11010, 11628, 12240, 12478, 12920, 13212, 13680, 13946, 14535, 14680, 15504, 16515, 17442, 17616, 18360, 18717, 19380, 19818, 20520, 20919, 22020, 23256, 24956, 25840, 26424, 27892, 29070, 29360, 31195, 33030, 34865, 34884, 36720, 37434, 38760, 39636, 41040, 41838, 43605, 44040, 46512, 49545, 49912, 52848, 55784, 56151, 58140, 62390, 62757, 66060, 69730, 69768, 74868, 77520, 79272, 83676, 87210, 88080, 93585, 99090, 99824, 104595, 111568, 112302, 116280, 118541, 124780, 125514, 132120, 139460, 139536, 149736, 158544, 167352, 168453, 174420, 187170, 188271, 198180, 209190, 224604, 232560, 237082, 249560, 251028, 264240, 278920, 280755, 299472, 313785, 334704, 336906, 348840, 355623, 374340, 376542, 396360, 418380, 449208, 474164, 499120, 502056, 557840, 561510, 592705, 627570, 673812, 697680, 711246, 748680, 753084, 792720, 836760, 842265, 898416, 941355, 948328, 1004112, 1066869, 1123020, 1185410, 1255140, 1347624, 1422492, 1497360, 1506168, 1673520, 1684530, 1778115, 1882710, 1896656, 2133738, 2246040, 2370820, 2510280, 2695248, 2844984, 3012336, 3200607, 3369060, 3556230, 3765420, 4267476, 4492080, 4741640, 5020560, 5334345, 5689968, 6401214, 6738120, 7112460, 7530840, 8534952, 9483280, 10668690, 12802428, 13476240, 14224920, 15061680, 16003035, 17069904, 21337380, 25604856, 28449840, 32006070, 42674760, 51209712, 64012140, 85349520, 128024280, 256048560]

約数ペア:

[(1, 256048560), (2, 128024280), (3, 85349520), (4, 64012140), (5, 51209712), (6, 42674760), (8, 32006070), (9, 28449840), (10, 25604856), (12, 21337380), (15, 17069904), (16, 16003035), (17, 15061680), (18, 14224920), (19, 13476240), (20, 12802428), (24, 10668690), (27, 9483280), (30, 8534952), (34, 7530840), (36, 7112460), (38, 6738120), (40, 6401214), (45, 5689968), (48, 5334345), (51, 5020560), (54, 4741640), (57, 4492080), (60, 4267476), (68, 3765420), (72, 3556230), (76, 3369060), (80, 3200607), (85, 3012336), (90, 2844984), (95, 2695248), (102, 2510280), (108, 2370820), (114, 2246040), (120, 2133738), (135, 1896656), (136, 1882710), (144, 1778115), (152, 1684530), (153, 1673520), (170, 1506168), (171, 1497360), (180, 1422492), (190, 1347624), (204, 1255140), (216, 1185410), (228, 1123020), (240, 1066869), (255, 1004112), (270, 948328), (272, 941355), (285, 898416), (304, 842265), (306, 836760), (323, 792720), (340, 753084), (342, 748680), (360, 711246), (367, 697680), (380, 673812), (408, 627570), (432, 592705), (456, 561510), (459, 557840), (510, 502056), (513, 499120), (540, 474164), (570, 449208), (612, 418380), (646, 396360), (680, 376542), (684, 374340), (720, 355623), (734, 348840), (760, 336906), (765, 334704), (816, 313785), (855, 299472), (912, 280755), (918, 278920), (969, 264240), (1020, 251028), (1026, 249560), (1080, 237082), (1101, 232560), (1140, 224604), (1224, 209190), (1292, 198180), (1360, 188271), (1368, 187170), (1468, 174420), (1520, 168453), (1530, 167352), (1615, 158544), (1710, 149736), (1835, 139536), (1836, 139460), (1938, 132120), (2040, 125514), (2052, 124780), (2160, 118541), (2202, 116280), (2280, 112302), (2295, 111568), (2448, 104595), (2565, 99824), (2584, 99090), (2736, 93585), (2907, 88080), (2936, 87210), (3060, 83676), (3230, 79272), (3303, 77520), (3420, 74868), (3670, 69768), (3672, 69730), (3876, 66060), (4080, 62757), (4104, 62390), (4404, 58140), (4560, 56151), (4590, 55784), (4845, 52848), (5130, 49912), (5168, 49545), (5505, 46512), (5814, 44040), (5872, 43605), (6120, 41838), (6239, 41040), (6460, 39636), (6606, 38760), (6840, 37434), (6973, 36720), (7340, 34884), (7344, 34865), (7752, 33030), (8208, 31195), (8721, 29360), (8808, 29070), (9180, 27892), (9690, 26424), (9909, 25840), (10260, 24956), (11010, 23256), (11628, 22020), (12240, 20919), (12478, 20520), (12920, 19818), (13212, 19380), (13680, 18717), (13946, 18360), (14535, 17616), (14680, 17442), (15504, 16515)]