18943080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12143}}^1$

素因数の和:12170

約数の個数: 64

約数和(自身を含む): 61205760

約数和(自身を除く): 42262680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12143, 24286, 36429, 48572, 60715, 72858, 97144, 121430, 145716, 157859, 182145, 242860, 291432, 315718, 364290, 473577, 485720, 631436, 728580, 789295, 947154, 1262872, 1457160, 1578590, 1894308, 2367885, 3157180, 3788616, 4735770, 6314360, 9471540, 18943080]

約数ペア:

[(1, 18943080), (2, 9471540), (3, 6314360), (4, 4735770), (5, 3788616), (6, 3157180), (8, 2367885), (10, 1894308), (12, 1578590), (13, 1457160), (15, 1262872), (20, 947154), (24, 789295), (26, 728580), (30, 631436), (39, 485720), (40, 473577), (52, 364290), (60, 315718), (65, 291432), (78, 242860), (104, 182145), (120, 157859), (130, 145716), (156, 121430), (195, 97144), (260, 72858), (312, 60715), (390, 48572), (520, 36429), (780, 24286), (1560, 12143)]