81372620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{683}}^1$

素因数の和:759

約数の個数: 96

約数和(自身を含む): 209599488

約数和(自身を除く): 128226868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 37, 46, 70, 74, 92, 115, 140, 148, 161, 185, 230, 259, 322, 370, 460, 518, 644, 683, 740, 805, 851, 1036, 1295, 1366, 1610, 1702, 2590, 2732, 3220, 3404, 3415, 4255, 4781, 5180, 5957, 6830, 8510, 9562, 11914, 13660, 15709, 17020, 19124, 23828, 23905, 25271, 29785, 31418, 47810, 50542, 59570, 62836, 78545, 95620, 101084, 109963, 119140, 126355, 157090, 176897, 219926, 252710, 314180, 353794, 439852, 505420, 549815, 581233, 707588, 884485, 1099630, 1162466, 1768970, 2199260, 2324932, 2906165, 3537940, 4068631, 5812330, 8137262, 11624660, 16274524, 20343155, 40686310, 81372620]

約数ペア:

[(1, 81372620), (2, 40686310), (4, 20343155), (5, 16274524), (7, 11624660), (10, 8137262), (14, 5812330), (20, 4068631), (23, 3537940), (28, 2906165), (35, 2324932), (37, 2199260), (46, 1768970), (70, 1162466), (74, 1099630), (92, 884485), (115, 707588), (140, 581233), (148, 549815), (161, 505420), (185, 439852), (230, 353794), (259, 314180), (322, 252710), (370, 219926), (460, 176897), (518, 157090), (644, 126355), (683, 119140), (740, 109963), (805, 101084), (851, 95620), (1036, 78545), (1295, 62836), (1366, 59570), (1610, 50542), (1702, 47810), (2590, 31418), (2732, 29785), (3220, 25271), (3404, 23905), (3415, 23828), (4255, 19124), (4781, 17020), (5180, 15709), (5957, 13660), (6830, 11914), (8510, 9562)]