1223880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:99

約数の個数: 128

約数和(自身を含む): 4423680

約数和(自身を除く): 3199800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 47, 56, 60, 62, 70, 84, 93, 94, 105, 120, 124, 140, 141, 155, 168, 186, 188, 210, 217, 235, 248, 280, 282, 310, 329, 372, 376, 420, 434, 465, 470, 564, 620, 651, 658, 705, 744, 840, 868, 930, 940, 987, 1085, 1128, 1240, 1302, 1316, 1410, 1457, 1645, 1736, 1860, 1880, 1974, 2170, 2604, 2632, 2820, 2914, 3255, 3290, 3720, 3948, 4340, 4371, 4935, 5208, 5640, 5828, 6510, 6580, 7285, 7896, 8680, 8742, 9870, 10199, 11656, 13020, 13160, 14570, 17484, 19740, 20398, 21855, 26040, 29140, 30597, 34968, 39480, 40796, 43710, 50995, 58280, 61194, 81592, 87420, 101990, 122388, 152985, 174840, 203980, 244776, 305970, 407960, 611940, 1223880]

約数ペア:

[(1, 1223880), (2, 611940), (3, 407960), (4, 305970), (5, 244776), (6, 203980), (7, 174840), (8, 152985), (10, 122388), (12, 101990), (14, 87420), (15, 81592), (20, 61194), (21, 58280), (24, 50995), (28, 43710), (30, 40796), (31, 39480), (35, 34968), (40, 30597), (42, 29140), (47, 26040), (56, 21855), (60, 20398), (62, 19740), (70, 17484), (84, 14570), (93, 13160), (94, 13020), (105, 11656), (120, 10199), (124, 9870), (140, 8742), (141, 8680), (155, 7896), (168, 7285), (186, 6580), (188, 6510), (210, 5828), (217, 5640), (235, 5208), (248, 4935), (280, 4371), (282, 4340), (310, 3948), (329, 3720), (372, 3290), (376, 3255), (420, 2914), (434, 2820), (465, 2632), (470, 2604), (564, 2170), (620, 1974), (651, 1880), (658, 1860), (705, 1736), (744, 1645), (840, 1457), (868, 1410), (930, 1316), (940, 1302), (987, 1240), (1085, 1128)]