81079840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:362

約数の個数: 96

約数和(自身を含む): 204120000

約数和(自身を除く): 123040160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 149, 152, 160, 179, 190, 298, 304, 358, 380, 596, 608, 716, 745, 760, 895, 1192, 1432, 1490, 1520, 1790, 2384, 2831, 2864, 2980, 3040, 3401, 3580, 4768, 5662, 5728, 5960, 6802, 7160, 11324, 11920, 13604, 14155, 14320, 17005, 22648, 23840, 26671, 27208, 28310, 28640, 34010, 45296, 53342, 54416, 56620, 68020, 90592, 106684, 108832, 113240, 133355, 136040, 213368, 226480, 266710, 272080, 426736, 452960, 506749, 533420, 544160, 853472, 1013498, 1066840, 2026996, 2133680, 2533745, 4053992, 4267360, 5067490, 8107984, 10134980, 16215968, 20269960, 40539920, 81079840]

約数ペア:

[(1, 81079840), (2, 40539920), (4, 20269960), (5, 16215968), (8, 10134980), (10, 8107984), (16, 5067490), (19, 4267360), (20, 4053992), (32, 2533745), (38, 2133680), (40, 2026996), (76, 1066840), (80, 1013498), (95, 853472), (149, 544160), (152, 533420), (160, 506749), (179, 452960), (190, 426736), (298, 272080), (304, 266710), (358, 226480), (380, 213368), (596, 136040), (608, 133355), (716, 113240), (745, 108832), (760, 106684), (895, 90592), (1192, 68020), (1432, 56620), (1490, 54416), (1520, 53342), (1790, 45296), (2384, 34010), (2831, 28640), (2864, 28310), (2980, 27208), (3040, 26671), (3401, 23840), (3580, 22648), (4768, 17005), (5662, 14320), (5728, 14155), (5960, 13604), (6802, 11920), (7160, 11324)]