180312340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{11369}}^1$

素因数の和:11452

約数の個数: 48

約数和(自身を含む): 414504720

約数和(自身を除く): 234192380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 11369, 15860, 22738, 45476, 56845, 113690, 147797, 227380, 295594, 591188, 693509, 738985, 1387018, 1477970, 2774036, 2955940, 3467545, 6935090, 9015617, 13870180, 18031234, 36062468, 45078085, 90156170, 180312340]

約数ペア:

[(1, 180312340), (2, 90156170), (4, 45078085), (5, 36062468), (10, 18031234), (13, 13870180), (20, 9015617), (26, 6935090), (52, 3467545), (61, 2955940), (65, 2774036), (122, 1477970), (130, 1387018), (244, 738985), (260, 693509), (305, 591188), (610, 295594), (793, 227380), (1220, 147797), (1586, 113690), (3172, 56845), (3965, 45476), (7930, 22738), (11369, 15860)]