15788240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 160

約数和(自身を含む): 44997120

約数和(自身を除く): 29208880

約数列:

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

約数ペア:

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