31805280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1699}}^1$

素因数の和:1733

約数の個数: 144

約数和(自身を含む): 116953200

約数和(自身を除く): 85147920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1699, 1872, 2080, 2340, 3120, 3398, 3744, 4680, 5097, 6240, 6796, 8495, 9360, 10194, 13592, 15291, 16990, 18720, 20388, 22087, 25485, 27184, 30582, 33980, 40776, 44174, 50970, 54368, 61164, 66261, 67960, 76455, 81552, 88348, 101940, 110435, 122328, 132522, 135920, 152910, 163104, 176696, 198783, 203880, 220870, 244656, 265044, 271840, 305820, 331305, 353392, 397566, 407760, 441740, 489312, 530088, 611640, 662610, 706784, 795132, 815520, 883480, 993915, 1060176, 1223280, 1325220, 1590264, 1766960, 1987830, 2120352, 2446560, 2650440, 3180528, 3533920, 3975660, 5300880, 6361056, 7951320, 10601760, 15902640, 31805280]

約数ペア:

[(1, 31805280), (2, 15902640), (3, 10601760), (4, 7951320), (5, 6361056), (6, 5300880), (8, 3975660), (9, 3533920), (10, 3180528), (12, 2650440), (13, 2446560), (15, 2120352), (16, 1987830), (18, 1766960), (20, 1590264), (24, 1325220), (26, 1223280), (30, 1060176), (32, 993915), (36, 883480), (39, 815520), (40, 795132), (45, 706784), (48, 662610), (52, 611640), (60, 530088), (65, 489312), (72, 441740), (78, 407760), (80, 397566), (90, 353392), (96, 331305), (104, 305820), (117, 271840), (120, 265044), (130, 244656), (144, 220870), (156, 203880), (160, 198783), (180, 176696), (195, 163104), (208, 152910), (234, 135920), (240, 132522), (260, 122328), (288, 110435), (312, 101940), (360, 88348), (390, 81552), (416, 76455), (468, 67960), (480, 66261), (520, 61164), (585, 54368), (624, 50970), (720, 44174), (780, 40776), (936, 33980), (1040, 30582), (1170, 27184), (1248, 25485), (1440, 22087), (1560, 20388), (1699, 18720), (1872, 16990), (2080, 15291), (2340, 13592), (3120, 10194), (3398, 9360), (3744, 8495), (4680, 6796), (5097, 6240)]