29907540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12781}}^1$

素因数の和:12809

約数の個数: 72

約数和(自身を含む): 97705608

約数和(自身を除く): 67798068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12781, 25562, 38343, 51124, 63905, 76686, 115029, 127810, 153372, 166153, 191715, 230058, 255620, 332306, 383430, 460116, 498459, 575145, 664612, 766860, 830765, 996918, 1150290, 1495377, 1661530, 1993836, 2300580, 2492295, 2990754, 3323060, 4984590, 5981508, 7476885, 9969180, 14953770, 29907540]

約数ペア:

[(1, 29907540), (2, 14953770), (3, 9969180), (4, 7476885), (5, 5981508), (6, 4984590), (9, 3323060), (10, 2990754), (12, 2492295), (13, 2300580), (15, 1993836), (18, 1661530), (20, 1495377), (26, 1150290), (30, 996918), (36, 830765), (39, 766860), (45, 664612), (52, 575145), (60, 498459), (65, 460116), (78, 383430), (90, 332306), (117, 255620), (130, 230058), (156, 191715), (180, 166153), (195, 153372), (234, 127810), (260, 115029), (390, 76686), (468, 63905), (585, 51124), (780, 38343), (1170, 25562), (2340, 12781)]