72554640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17783}}^1$

素因数の和:17816

約数の個数: 80

約数和(自身を含む): 238163328

約数和(自身を除く): 165608688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 17783, 35566, 53349, 71132, 88915, 106698, 142264, 177830, 213396, 266745, 284528, 302311, 355660, 426792, 533490, 604622, 711320, 853584, 906933, 1066980, 1209244, 1422640, 1511555, 1813866, 2133960, 2418488, 3023110, 3627732, 4267920, 4534665, 4836976, 6046220, 7255464, 9069330, 12092440, 14510928, 18138660, 24184880, 36277320, 72554640]

約数ペア:

[(1, 72554640), (2, 36277320), (3, 24184880), (4, 18138660), (5, 14510928), (6, 12092440), (8, 9069330), (10, 7255464), (12, 6046220), (15, 4836976), (16, 4534665), (17, 4267920), (20, 3627732), (24, 3023110), (30, 2418488), (34, 2133960), (40, 1813866), (48, 1511555), (51, 1422640), (60, 1209244), (68, 1066980), (80, 906933), (85, 853584), (102, 711320), (120, 604622), (136, 533490), (170, 426792), (204, 355660), (240, 302311), (255, 284528), (272, 266745), (340, 213396), (408, 177830), (510, 142264), (680, 106698), (816, 88915), (1020, 71132), (1360, 53349), (2040, 35566), (4080, 17783)]