77320880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 240

約数和(自身を含む): 239627520

約数和(自身を除く): 162306640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 43, 52, 56, 65, 70, 76, 80, 86, 91, 95, 104, 112, 130, 133, 140, 152, 169, 172, 182, 190, 208, 215, 247, 260, 266, 280, 301, 304, 338, 344, 364, 380, 430, 455, 494, 520, 532, 559, 560, 602, 665, 676, 688, 728, 760, 817, 845, 860, 910, 988, 1040, 1064, 1118, 1183, 1204, 1235, 1330, 1352, 1456, 1505, 1520, 1634, 1690, 1720, 1729, 1820, 1976, 2128, 2236, 2366, 2408, 2470, 2660, 2704, 2795, 3010, 3211, 3268, 3380, 3440, 3458, 3640, 3913, 3952, 4085, 4472, 4732, 4816, 4940, 5320, 5590, 5719, 5915, 6020, 6422, 6536, 6760, 6916, 7267, 7280, 7826, 8170, 8645, 8944, 9464, 9880, 10621, 10640, 11180, 11438, 11830, 12040, 12844, 13072, 13520, 13832, 14534, 15652, 16055, 16340, 17290, 18928, 19565, 19760, 21242, 22360, 22477, 22876, 23660, 24080, 25688, 27664, 28595, 29068, 31304, 32110, 32680, 34580, 36335, 39130, 42484, 44720, 44954, 45752, 47320, 50869, 51376, 53105, 57190, 58136, 62608, 64220, 65360, 69160, 72670, 74347, 78260, 84968, 89908, 91504, 94640, 101738, 106210, 112385, 114380, 116272, 128440, 138073, 138320, 145340, 148694, 156520, 169936, 179816, 203476, 212420, 224770, 228760, 254345, 256880, 276146, 290680, 297388, 313040, 359632, 371735, 406952, 424840, 449540, 457520, 508690, 552292, 581360, 594776, 690365, 743470, 813904, 849680, 899080, 966511, 1017380, 1104584, 1189552, 1380730, 1486940, 1798160, 1933022, 2034760, 2209168, 2761460, 2973880, 3866044, 4069520, 4832555, 5522920, 5947760, 7732088, 9665110, 11045840, 15464176, 19330220, 38660440, 77320880]

約数ペア:

[(1, 77320880), (2, 38660440), (4, 19330220), (5, 15464176), (7, 11045840), (8, 9665110), (10, 7732088), (13, 5947760), (14, 5522920), (16, 4832555), (19, 4069520), (20, 3866044), (26, 2973880), (28, 2761460), (35, 2209168), (38, 2034760), (40, 1933022), (43, 1798160), (52, 1486940), (56, 1380730), (65, 1189552), (70, 1104584), (76, 1017380), (80, 966511), (86, 899080), (91, 849680), (95, 813904), (104, 743470), (112, 690365), (130, 594776), (133, 581360), (140, 552292), (152, 508690), (169, 457520), (172, 449540), (182, 424840), (190, 406952), (208, 371735), (215, 359632), (247, 313040), (260, 297388), (266, 290680), (280, 276146), (301, 256880), (304, 254345), (338, 228760), (344, 224770), (364, 212420), (380, 203476), (430, 179816), (455, 169936), (494, 156520), (520, 148694), (532, 145340), (559, 138320), (560, 138073), (602, 128440), (665, 116272), (676, 114380), (688, 112385), (728, 106210), (760, 101738), (817, 94640), (845, 91504), (860, 89908), (910, 84968), (988, 78260), (1040, 74347), (1064, 72670), (1118, 69160), (1183, 65360), (1204, 64220), (1235, 62608), (1330, 58136), (1352, 57190), (1456, 53105), (1505, 51376), (1520, 50869), (1634, 47320), (1690, 45752), (1720, 44954), (1729, 44720), (1820, 42484), (1976, 39130), (2128, 36335), (2236, 34580), (2366, 32680), (2408, 32110), (2470, 31304), (2660, 29068), (2704, 28595), (2795, 27664), (3010, 25688), (3211, 24080), (3268, 23660), (3380, 22876), (3440, 22477), (3458, 22360), (3640, 21242), (3913, 19760), (3952, 19565), (4085, 18928), (4472, 17290), (4732, 16340), (4816, 16055), (4940, 15652), (5320, 14534), (5590, 13832), (5719, 13520), (5915, 13072), (6020, 12844), (6422, 12040), (6536, 11830), (6760, 11438), (6916, 11180), (7267, 10640), (7280, 10621), (7826, 9880), (8170, 9464), (8645, 8944)]