74936240

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 179988480

約数和(自身を除く): 105052240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 79, 80, 142, 158, 167, 284, 316, 334, 355, 395, 568, 632, 668, 710, 790, 835, 1136, 1264, 1336, 1420, 1580, 1670, 2672, 2840, 3160, 3340, 5609, 5680, 6320, 6680, 11218, 11857, 13193, 13360, 22436, 23714, 26386, 28045, 44872, 47428, 52772, 56090, 59285, 65965, 89744, 94856, 105544, 112180, 118570, 131930, 189712, 211088, 224360, 237140, 263860, 448720, 474280, 527720, 936703, 948560, 1055440, 1873406, 3746812, 4683515, 7493624, 9367030, 14987248, 18734060, 37468120, 74936240]

約数ペア:

[(1, 74936240), (2, 37468120), (4, 18734060), (5, 14987248), (8, 9367030), (10, 7493624), (16, 4683515), (20, 3746812), (40, 1873406), (71, 1055440), (79, 948560), (80, 936703), (142, 527720), (158, 474280), (167, 448720), (284, 263860), (316, 237140), (334, 224360), (355, 211088), (395, 189712), (568, 131930), (632, 118570), (668, 112180), (710, 105544), (790, 94856), (835, 89744), (1136, 65965), (1264, 59285), (1336, 56090), (1420, 52772), (1580, 47428), (1670, 44872), (2672, 28045), (2840, 26386), (3160, 23714), (3340, 22436), (5609, 13360), (5680, 13193), (6320, 11857), (6680, 11218)]