660494640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1523}}^1$

素因数の和:1691

約数の個数: 160

約数和(自身を含む): 2222357760

約数和(自身を除く): 1561863120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 139, 156, 195, 208, 240, 260, 278, 312, 390, 417, 520, 556, 624, 695, 780, 834, 1040, 1112, 1390, 1523, 1560, 1668, 1807, 2085, 2224, 2780, 3046, 3120, 3336, 3614, 4170, 4569, 5421, 5560, 6092, 6672, 7228, 7615, 8340, 9035, 9138, 10842, 11120, 12184, 14456, 15230, 16680, 18070, 18276, 19799, 21684, 22845, 24368, 27105, 28912, 30460, 33360, 36140, 36552, 39598, 43368, 45690, 54210, 59397, 60920, 72280, 73104, 79196, 86736, 91380, 98995, 108420, 118794, 121840, 144560, 158392, 182760, 197990, 211697, 216840, 237588, 296985, 316784, 365520, 395980, 423394, 433680, 475176, 593970, 635091, 791960, 846788, 950352, 1058485, 1187940, 1270182, 1583920, 1693576, 2116970, 2375880, 2540364, 2752061, 3175455, 3387152, 4233940, 4751760, 5080728, 5504122, 6350910, 8256183, 8467880, 10161456, 11008244, 12701820, 13760305, 16512366, 16935760, 22016488, 25403640, 27520610, 33024732, 41280915, 44032976, 50807280, 55041220, 66049464, 82561830, 110082440, 132098928, 165123660, 220164880, 330247320, 660494640]

約数ペア:

[(1, 660494640), (2, 330247320), (3, 220164880), (4, 165123660), (5, 132098928), (6, 110082440), (8, 82561830), (10, 66049464), (12, 55041220), (13, 50807280), (15, 44032976), (16, 41280915), (20, 33024732), (24, 27520610), (26, 25403640), (30, 22016488), (39, 16935760), (40, 16512366), (48, 13760305), (52, 12701820), (60, 11008244), (65, 10161456), (78, 8467880), (80, 8256183), (104, 6350910), (120, 5504122), (130, 5080728), (139, 4751760), (156, 4233940), (195, 3387152), (208, 3175455), (240, 2752061), (260, 2540364), (278, 2375880), (312, 2116970), (390, 1693576), (417, 1583920), (520, 1270182), (556, 1187940), (624, 1058485), (695, 950352), (780, 846788), (834, 791960), (1040, 635091), (1112, 593970), (1390, 475176), (1523, 433680), (1560, 423394), (1668, 395980), (1807, 365520), (2085, 316784), (2224, 296985), (2780, 237588), (3046, 216840), (3120, 211697), (3336, 197990), (3614, 182760), (4170, 158392), (4569, 144560), (5421, 121840), (5560, 118794), (6092, 108420), (6672, 98995), (7228, 91380), (7615, 86736), (8340, 79196), (9035, 73104), (9138, 72280), (10842, 60920), (11120, 59397), (12184, 54210), (14456, 45690), (15230, 43368), (16680, 39598), (18070, 36552), (18276, 36140), (19799, 33360), (21684, 30460), (22845, 28912), (24368, 27105)]