161987280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7417}}^1$

素因数の和:7453

約数の個数: 160

約数和(自身を含む): 618127104

約数和(自身を除く): 456139824

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, 7417, 10920, 14834, 21840, 22251, 29668, 37085, 44502, 51919, 59336, 74170, 89004, 96421, 103838, 111255, 118672, 148340, 155757, 178008, 192842, 207676, 222510, 259595, 289263, 296680, 311514, 356016, 385684, 415352, 445020, 482105, 519190, 578526, 593360, 623028, 674947, 771368, 778785, 830704, 890040, 964210, 1038380, 1157052, 1246056, 1349894, 1446315, 1542736, 1557570, 1780080, 1928420, 2024841, 2076760, 2314104, 2492112, 2699788, 2892630, 3115140, 3374735, 3856840, 4049682, 4153520, 4628208, 5399576, 5785260, 6230280, 6749470, 7713680, 8099364, 10124205, 10799152, 11570520, 12460560, 13498940, 16198728, 20248410, 23141040, 26997880, 32397456, 40496820, 53995760, 80993640, 161987280]

約数ペア:

[(1, 161987280), (2, 80993640), (3, 53995760), (4, 40496820), (5, 32397456), (6, 26997880), (7, 23141040), (8, 20248410), (10, 16198728), (12, 13498940), (13, 12460560), (14, 11570520), (15, 10799152), (16, 10124205), (20, 8099364), (21, 7713680), (24, 6749470), (26, 6230280), (28, 5785260), (30, 5399576), (35, 4628208), (39, 4153520), (40, 4049682), (42, 3856840), (48, 3374735), (52, 3115140), (56, 2892630), (60, 2699788), (65, 2492112), (70, 2314104), (78, 2076760), (80, 2024841), (84, 1928420), (91, 1780080), (104, 1557570), (105, 1542736), (112, 1446315), (120, 1349894), (130, 1246056), (140, 1157052), (156, 1038380), (168, 964210), (182, 890040), (195, 830704), (208, 778785), (210, 771368), (240, 674947), (260, 623028), (273, 593360), (280, 578526), (312, 519190), (336, 482105), (364, 445020), (390, 415352), (420, 385684), (455, 356016), (520, 311514), (546, 296680), (560, 289263), (624, 259595), (728, 222510), (780, 207676), (840, 192842), (910, 178008), (1040, 155757), (1092, 148340), (1365, 118672), (1456, 111255), (1560, 103838), (1680, 96421), (1820, 89004), (2184, 74170), (2730, 59336), (3120, 51919), (3640, 44502), (4368, 37085), (5460, 29668), (7280, 22251), (7417, 21840), (10920, 14834)]