178025640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:987

約数の個数: 128

約数和(自身を含む): 580003200

約数和(自身を除く): 401977560

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, 139, 156, 195, 260, 278, 312, 390, 417, 520, 556, 695, 780, 821, 834, 1112, 1390, 1560, 1642, 1668, 1807, 2085, 2463, 2780, 3284, 3336, 3614, 4105, 4170, 4926, 5421, 5560, 6568, 7228, 8210, 8340, 9035, 9852, 10673, 10842, 12315, 14456, 16420, 16680, 18070, 19704, 21346, 21684, 24630, 27105, 32019, 32840, 36140, 42692, 43368, 49260, 53365, 54210, 64038, 72280, 85384, 98520, 106730, 108420, 114119, 128076, 160095, 213460, 216840, 228238, 256152, 320190, 342357, 426920, 456476, 570595, 640380, 684714, 912952, 1141190, 1280760, 1369428, 1483547, 1711785, 2282380, 2738856, 2967094, 3423570, 4450641, 4564760, 5934188, 6847140, 7417735, 8901282, 11868376, 13694280, 14835470, 17802564, 22253205, 29670940, 35605128, 44506410, 59341880, 89012820, 178025640]

約数ペア:

[(1, 178025640), (2, 89012820), (3, 59341880), (4, 44506410), (5, 35605128), (6, 29670940), (8, 22253205), (10, 17802564), (12, 14835470), (13, 13694280), (15, 11868376), (20, 8901282), (24, 7417735), (26, 6847140), (30, 5934188), (39, 4564760), (40, 4450641), (52, 3423570), (60, 2967094), (65, 2738856), (78, 2282380), (104, 1711785), (120, 1483547), (130, 1369428), (139, 1280760), (156, 1141190), (195, 912952), (260, 684714), (278, 640380), (312, 570595), (390, 456476), (417, 426920), (520, 342357), (556, 320190), (695, 256152), (780, 228238), (821, 216840), (834, 213460), (1112, 160095), (1390, 128076), (1560, 114119), (1642, 108420), (1668, 106730), (1807, 98520), (2085, 85384), (2463, 72280), (2780, 64038), (3284, 54210), (3336, 53365), (3614, 49260), (4105, 43368), (4170, 42692), (4926, 36140), (5421, 32840), (5560, 32019), (6568, 27105), (7228, 24630), (8210, 21684), (8340, 21346), (9035, 19704), (9852, 18070), (10673, 16680), (10842, 16420), (12315, 14456)]