72789990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{293}}^1$

素因数の和:343

約数の個数: 144

約数和(自身を含む): 220803408

約数和(自身を除く): 148013418

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 91, 98, 105, 130, 147, 169, 182, 195, 210, 245, 273, 293, 294, 338, 390, 455, 490, 507, 546, 586, 637, 735, 845, 879, 910, 1014, 1183, 1274, 1365, 1465, 1470, 1690, 1758, 1911, 2051, 2366, 2535, 2730, 2930, 3185, 3549, 3809, 3822, 4102, 4395, 5070, 5915, 6153, 6370, 7098, 7618, 8281, 8790, 9555, 10255, 11427, 11830, 12306, 14357, 16562, 17745, 19045, 19110, 20510, 22854, 24843, 26663, 28714, 30765, 35490, 38090, 41405, 43071, 49517, 49686, 53326, 57135, 61530, 71785, 79989, 82810, 86142, 99034, 114270, 124215, 133315, 143570, 148551, 159978, 186641, 215355, 247585, 248430, 266630, 297102, 346619, 373282, 399945, 430710, 495170, 559923, 693238, 742755, 799890, 933205, 1039857, 1119846, 1485510, 1733095, 1866410, 2079714, 2426333, 2799615, 3466190, 4852666, 5199285, 5599230, 7278999, 10398570, 12131665, 14557998, 24263330, 36394995, 72789990]

約数ペア:

[(1, 72789990), (2, 36394995), (3, 24263330), (5, 14557998), (6, 12131665), (7, 10398570), (10, 7278999), (13, 5599230), (14, 5199285), (15, 4852666), (21, 3466190), (26, 2799615), (30, 2426333), (35, 2079714), (39, 1866410), (42, 1733095), (49, 1485510), (65, 1119846), (70, 1039857), (78, 933205), (91, 799890), (98, 742755), (105, 693238), (130, 559923), (147, 495170), (169, 430710), (182, 399945), (195, 373282), (210, 346619), (245, 297102), (273, 266630), (293, 248430), (294, 247585), (338, 215355), (390, 186641), (455, 159978), (490, 148551), (507, 143570), (546, 133315), (586, 124215), (637, 114270), (735, 99034), (845, 86142), (879, 82810), (910, 79989), (1014, 71785), (1183, 61530), (1274, 57135), (1365, 53326), (1465, 49686), (1470, 49517), (1690, 43071), (1758, 41405), (1911, 38090), (2051, 35490), (2366, 30765), (2535, 28714), (2730, 26663), (2930, 24843), (3185, 22854), (3549, 20510), (3809, 19110), (3822, 19045), (4102, 17745), (4395, 16562), (5070, 14357), (5915, 12306), (6153, 11830), (6370, 11427), (7098, 10255), (7618, 9555), (8281, 8790)]