27881360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 160

約数和(自身を含む): 78744960

約数和(自身を除く): 50863600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 80, 83, 85, 95, 104, 130, 136, 152, 166, 170, 190, 208, 221, 247, 260, 272, 304, 323, 332, 340, 380, 415, 442, 494, 520, 646, 664, 680, 760, 830, 884, 988, 1040, 1079, 1105, 1235, 1292, 1328, 1360, 1411, 1520, 1577, 1615, 1660, 1768, 1976, 2158, 2210, 2470, 2584, 2822, 3154, 3230, 3320, 3536, 3952, 4199, 4316, 4420, 4940, 5168, 5395, 5644, 6308, 6460, 6640, 7055, 7885, 8398, 8632, 8840, 9880, 10790, 11288, 12616, 12920, 14110, 15770, 16796, 17264, 17680, 18343, 19760, 20501, 20995, 21580, 22576, 25232, 25840, 26809, 28220, 31540, 33592, 36686, 41002, 41990, 43160, 53618, 56440, 63080, 67184, 73372, 82004, 83980, 86320, 91715, 102505, 107236, 112880, 126160, 134045, 146744, 164008, 167960, 183430, 205010, 214472, 268090, 293488, 328016, 335920, 348517, 366860, 410020, 428944, 536180, 697034, 733720, 820040, 1072360, 1394068, 1467440, 1640080, 1742585, 2144720, 2788136, 3485170, 5576272, 6970340, 13940680, 27881360]

約数ペア:

[(1, 27881360), (2, 13940680), (4, 6970340), (5, 5576272), (8, 3485170), (10, 2788136), (13, 2144720), (16, 1742585), (17, 1640080), (19, 1467440), (20, 1394068), (26, 1072360), (34, 820040), (38, 733720), (40, 697034), (52, 536180), (65, 428944), (68, 410020), (76, 366860), (80, 348517), (83, 335920), (85, 328016), (95, 293488), (104, 268090), (130, 214472), (136, 205010), (152, 183430), (166, 167960), (170, 164008), (190, 146744), (208, 134045), (221, 126160), (247, 112880), (260, 107236), (272, 102505), (304, 91715), (323, 86320), (332, 83980), (340, 82004), (380, 73372), (415, 67184), (442, 63080), (494, 56440), (520, 53618), (646, 43160), (664, 41990), (680, 41002), (760, 36686), (830, 33592), (884, 31540), (988, 28220), (1040, 26809), (1079, 25840), (1105, 25232), (1235, 22576), (1292, 21580), (1328, 20995), (1360, 20501), (1411, 19760), (1520, 18343), (1577, 17680), (1615, 17264), (1660, 16796), (1768, 15770), (1976, 14110), (2158, 12920), (2210, 12616), (2470, 11288), (2584, 10790), (2822, 9880), (3154, 8840), (3230, 8632), (3320, 8398), (3536, 7885), (3952, 7055), (4199, 6640), (4316, 6460), (4420, 6308), (4940, 5644), (5168, 5395)]