77145320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:907

約数の個数: 128

約数和(自身を含む): 221356800

約数和(自身を除く): 144211480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 323, 340, 380, 476, 532, 595, 646, 665, 680, 760, 853, 952, 1064, 1190, 1292, 1330, 1615, 1706, 2261, 2380, 2584, 2660, 3230, 3412, 4265, 4522, 4760, 5320, 5971, 6460, 6824, 8530, 9044, 11305, 11942, 12920, 14501, 16207, 17060, 18088, 22610, 23884, 29002, 29855, 32414, 34120, 45220, 47768, 58004, 59710, 64828, 72505, 81035, 90440, 101507, 113449, 116008, 119420, 129656, 145010, 162070, 203014, 226898, 238840, 275519, 290020, 324140, 406028, 453796, 507535, 551038, 567245, 580040, 648280, 812056, 907592, 1015070, 1102076, 1134490, 1377595, 1928633, 2030140, 2204152, 2268980, 2755190, 3857266, 4060280, 4537960, 5510380, 7714532, 9643165, 11020760, 15429064, 19286330, 38572660, 77145320]

約数ペア:

[(1, 77145320), (2, 38572660), (4, 19286330), (5, 15429064), (7, 11020760), (8, 9643165), (10, 7714532), (14, 5510380), (17, 4537960), (19, 4060280), (20, 3857266), (28, 2755190), (34, 2268980), (35, 2204152), (38, 2030140), (40, 1928633), (56, 1377595), (68, 1134490), (70, 1102076), (76, 1015070), (85, 907592), (95, 812056), (119, 648280), (133, 580040), (136, 567245), (140, 551038), (152, 507535), (170, 453796), (190, 406028), (238, 324140), (266, 290020), (280, 275519), (323, 238840), (340, 226898), (380, 203014), (476, 162070), (532, 145010), (595, 129656), (646, 119420), (665, 116008), (680, 113449), (760, 101507), (853, 90440), (952, 81035), (1064, 72505), (1190, 64828), (1292, 59710), (1330, 58004), (1615, 47768), (1706, 45220), (2261, 34120), (2380, 32414), (2584, 29855), (2660, 29002), (3230, 23884), (3412, 22610), (4265, 18088), (4522, 17060), (4760, 16207), (5320, 14501), (5971, 12920), (6460, 11942), (6824, 11305), (8530, 9044)]