287479920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13163}}^1$

素因数の和:13199

約数の個数: 160

約数和(自身を含む): 1096929792

約数和(自身を除く): 809449872

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 13163, 21840, 26326, 39489, 52652, 65815, 78978, 92141, 105304, 131630, 157956, 171119, 184282, 197445, 210608, 263260, 276423, 315912, 342238, 368564, 394890, 460705, 513357, 526520, 552846, 631824, 684476, 737128, 789780, 855595, 921410, 1026714, 1053040, 1105692, 1197833, 1368952, 1382115, 1474256, 1579560, 1711190, 1842820, 2053428, 2211384, 2395666, 2566785, 2737904, 2764230, 3159120, 3422380, 3593499, 3685640, 4106856, 4422768, 4791332, 5133570, 5528460, 5989165, 6844760, 7186998, 7371280, 8213712, 9582664, 10267140, 11056920, 11978330, 13689520, 14373996, 17967495, 19165328, 20534280, 22113840, 23956660, 28747992, 35934990, 41068560, 47913320, 57495984, 71869980, 95826640, 143739960, 287479920]

約数ペア:

[(1, 287479920), (2, 143739960), (3, 95826640), (4, 71869980), (5, 57495984), (6, 47913320), (7, 41068560), (8, 35934990), (10, 28747992), (12, 23956660), (13, 22113840), (14, 20534280), (15, 19165328), (16, 17967495), (20, 14373996), (21, 13689520), (24, 11978330), (26, 11056920), (28, 10267140), (30, 9582664), (35, 8213712), (39, 7371280), (40, 7186998), (42, 6844760), (48, 5989165), (52, 5528460), (56, 5133570), (60, 4791332), (65, 4422768), (70, 4106856), (78, 3685640), (80, 3593499), (84, 3422380), (91, 3159120), (104, 2764230), (105, 2737904), (112, 2566785), (120, 2395666), (130, 2211384), (140, 2053428), (156, 1842820), (168, 1711190), (182, 1579560), (195, 1474256), (208, 1382115), (210, 1368952), (240, 1197833), (260, 1105692), (273, 1053040), (280, 1026714), (312, 921410), (336, 855595), (364, 789780), (390, 737128), (420, 684476), (455, 631824), (520, 552846), (546, 526520), (560, 513357), (624, 460705), (728, 394890), (780, 368564), (840, 342238), (910, 315912), (1040, 276423), (1092, 263260), (1365, 210608), (1456, 197445), (1560, 184282), (1680, 171119), (1820, 157956), (2184, 131630), (2730, 105304), (3120, 92141), (3640, 78978), (4368, 65815), (5460, 52652), (7280, 39489), (10920, 26326), (13163, 21840)]