31576480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 192

約数和(自身を含む): 91445760

約数和(自身を除く): 59869280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 26, 32, 34, 38, 40, 47, 52, 65, 68, 76, 80, 85, 94, 95, 104, 130, 136, 152, 160, 170, 188, 190, 208, 221, 235, 247, 260, 272, 304, 323, 340, 376, 380, 416, 442, 470, 494, 520, 544, 608, 611, 646, 680, 752, 760, 799, 884, 893, 940, 988, 1040, 1105, 1222, 1235, 1292, 1360, 1504, 1520, 1598, 1615, 1768, 1786, 1880, 1976, 2080, 2210, 2444, 2470, 2584, 2720, 3040, 3055, 3196, 3230, 3536, 3572, 3760, 3952, 3995, 4199, 4420, 4465, 4888, 4940, 5168, 6110, 6392, 6460, 7072, 7144, 7520, 7904, 7990, 8398, 8840, 8930, 9776, 9880, 10336, 10387, 11609, 12220, 12784, 12920, 14288, 15181, 15980, 16796, 17680, 17860, 19552, 19760, 20774, 20995, 23218, 24440, 25568, 25840, 28576, 30362, 31960, 33592, 35360, 35720, 39520, 41548, 41990, 46436, 48880, 51680, 51935, 58045, 60724, 63920, 67184, 71440, 75905, 83096, 83980, 92872, 97760, 103870, 116090, 121448, 127840, 134368, 142880, 151810, 166192, 167960, 185744, 197353, 207740, 232180, 242896, 303620, 332384, 335920, 371488, 394706, 415480, 464360, 485792, 607240, 671840, 789412, 830960, 928720, 986765, 1214480, 1578824, 1661920, 1857440, 1973530, 2428960, 3157648, 3947060, 6315296, 7894120, 15788240, 31576480]

約数ペア:

[(1, 31576480), (2, 15788240), (4, 7894120), (5, 6315296), (8, 3947060), (10, 3157648), (13, 2428960), (16, 1973530), (17, 1857440), (19, 1661920), (20, 1578824), (26, 1214480), (32, 986765), (34, 928720), (38, 830960), (40, 789412), (47, 671840), (52, 607240), (65, 485792), (68, 464360), (76, 415480), (80, 394706), (85, 371488), (94, 335920), (95, 332384), (104, 303620), (130, 242896), (136, 232180), (152, 207740), (160, 197353), (170, 185744), (188, 167960), (190, 166192), (208, 151810), (221, 142880), (235, 134368), (247, 127840), (260, 121448), (272, 116090), (304, 103870), (323, 97760), (340, 92872), (376, 83980), (380, 83096), (416, 75905), (442, 71440), (470, 67184), (494, 63920), (520, 60724), (544, 58045), (608, 51935), (611, 51680), (646, 48880), (680, 46436), (752, 41990), (760, 41548), (799, 39520), (884, 35720), (893, 35360), (940, 33592), (988, 31960), (1040, 30362), (1105, 28576), (1222, 25840), (1235, 25568), (1292, 24440), (1360, 23218), (1504, 20995), (1520, 20774), (1598, 19760), (1615, 19552), (1768, 17860), (1786, 17680), (1880, 16796), (1976, 15980), (2080, 15181), (2210, 14288), (2444, 12920), (2470, 12784), (2584, 12220), (2720, 11609), (3040, 10387), (3055, 10336), (3196, 9880), (3230, 9776), (3536, 8930), (3572, 8840), (3760, 8398), (3952, 7990), (3995, 7904), (4199, 7520), (4420, 7144), (4465, 7072), (4888, 6460), (4940, 6392), (5168, 6110)]