87711780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:973

約数の個数: 96

約数和(自身を含む): 266716800

約数和(自身を除く): 179005020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 139, 156, 195, 260, 278, 390, 417, 556, 695, 780, 809, 834, 1390, 1618, 1668, 1807, 2085, 2427, 2780, 3236, 3614, 4045, 4170, 4854, 5421, 7228, 8090, 8340, 9035, 9708, 10517, 10842, 12135, 16180, 18070, 21034, 21684, 24270, 27105, 31551, 36140, 42068, 48540, 52585, 54210, 63102, 105170, 108420, 112451, 126204, 157755, 210340, 224902, 315510, 337353, 449804, 562255, 631020, 674706, 1124510, 1349412, 1461863, 1686765, 2249020, 2923726, 3373530, 4385589, 5847452, 6747060, 7309315, 8771178, 14618630, 17542356, 21927945, 29237260, 43855890, 87711780]

約数ペア:

[(1, 87711780), (2, 43855890), (3, 29237260), (4, 21927945), (5, 17542356), (6, 14618630), (10, 8771178), (12, 7309315), (13, 6747060), (15, 5847452), (20, 4385589), (26, 3373530), (30, 2923726), (39, 2249020), (52, 1686765), (60, 1461863), (65, 1349412), (78, 1124510), (130, 674706), (139, 631020), (156, 562255), (195, 449804), (260, 337353), (278, 315510), (390, 224902), (417, 210340), (556, 157755), (695, 126204), (780, 112451), (809, 108420), (834, 105170), (1390, 63102), (1618, 54210), (1668, 52585), (1807, 48540), (2085, 42068), (2427, 36140), (2780, 31551), (3236, 27105), (3614, 24270), (4045, 21684), (4170, 21034), (4854, 18070), (5421, 16180), (7228, 12135), (8090, 10842), (8340, 10517), (9035, 9708)]