56438460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 187125120

約数和(自身を除く): 130686660

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, 89, 90, 117, 130, 156, 178, 180, 195, 234, 260, 267, 271, 356, 390, 445, 468, 534, 542, 585, 780, 801, 813, 890, 1068, 1084, 1157, 1170, 1335, 1355, 1602, 1626, 1780, 2314, 2340, 2439, 2670, 2710, 3204, 3252, 3471, 3523, 4005, 4065, 4628, 4878, 5340, 5420, 5785, 6942, 7046, 8010, 8130, 9756, 10413, 10569, 11570, 12195, 13884, 14092, 16020, 16260, 17355, 17615, 20826, 21138, 23140, 24119, 24390, 31707, 34710, 35230, 41652, 42276, 48238, 48780, 52065, 52845, 63414, 69420, 70460, 72357, 96476, 104130, 105690, 120595, 126828, 144714, 158535, 208260, 211380, 217071, 241190, 289428, 313547, 317070, 361785, 434142, 482380, 627094, 634140, 723570, 868284, 940641, 1085355, 1254188, 1447140, 1567735, 1881282, 2170710, 2821923, 3135470, 3762564, 4341420, 4703205, 5643846, 6270940, 9406410, 11287692, 14109615, 18812820, 28219230, 56438460]

約数ペア:

[(1, 56438460), (2, 28219230), (3, 18812820), (4, 14109615), (5, 11287692), (6, 9406410), (9, 6270940), (10, 5643846), (12, 4703205), (13, 4341420), (15, 3762564), (18, 3135470), (20, 2821923), (26, 2170710), (30, 1881282), (36, 1567735), (39, 1447140), (45, 1254188), (52, 1085355), (60, 940641), (65, 868284), (78, 723570), (89, 634140), (90, 627094), (117, 482380), (130, 434142), (156, 361785), (178, 317070), (180, 313547), (195, 289428), (234, 241190), (260, 217071), (267, 211380), (271, 208260), (356, 158535), (390, 144714), (445, 126828), (468, 120595), (534, 105690), (542, 104130), (585, 96476), (780, 72357), (801, 70460), (813, 69420), (890, 63414), (1068, 52845), (1084, 52065), (1157, 48780), (1170, 48238), (1335, 42276), (1355, 41652), (1602, 35230), (1626, 34710), (1780, 31707), (2314, 24390), (2340, 24119), (2439, 23140), (2670, 21138), (2710, 20826), (3204, 17615), (3252, 17355), (3471, 16260), (3523, 16020), (4005, 14092), (4065, 13884), (4628, 12195), (4878, 11570), (5340, 10569), (5420, 10413), (5785, 9756), (6942, 8130), (7046, 8010)]