64571440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{601}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 161239680

約数和(自身を除く): 96668240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 272, 316, 340, 395, 601, 632, 680, 790, 1202, 1264, 1343, 1360, 1580, 2404, 2686, 3005, 3160, 4808, 5372, 6010, 6320, 6715, 9616, 10217, 10744, 12020, 13430, 20434, 21488, 24040, 26860, 40868, 47479, 48080, 51085, 53720, 81736, 94958, 102170, 107440, 163472, 189916, 204340, 237395, 379832, 408680, 474790, 759664, 807143, 817360, 949580, 1614286, 1899160, 3228572, 3798320, 4035715, 6457144, 8071430, 12914288, 16142860, 32285720, 64571440]

約数ペア:

[(1, 64571440), (2, 32285720), (4, 16142860), (5, 12914288), (8, 8071430), (10, 6457144), (16, 4035715), (17, 3798320), (20, 3228572), (34, 1899160), (40, 1614286), (68, 949580), (79, 817360), (80, 807143), (85, 759664), (136, 474790), (158, 408680), (170, 379832), (272, 237395), (316, 204340), (340, 189916), (395, 163472), (601, 107440), (632, 102170), (680, 94958), (790, 81736), (1202, 53720), (1264, 51085), (1343, 48080), (1360, 47479), (1580, 40868), (2404, 26860), (2686, 24040), (3005, 21488), (3160, 20434), (4808, 13430), (5372, 12020), (6010, 10744), (6320, 10217), (6715, 9616)]