1380120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:105

約数の個数: 128

約数和(自身を含む): 4976640

約数和(自身を除く): 3596520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 53, 56, 60, 62, 70, 84, 93, 105, 106, 120, 124, 140, 155, 159, 168, 186, 210, 212, 217, 248, 265, 280, 310, 318, 371, 372, 420, 424, 434, 465, 530, 620, 636, 651, 742, 744, 795, 840, 868, 930, 1060, 1085, 1113, 1240, 1272, 1302, 1484, 1590, 1643, 1736, 1855, 1860, 2120, 2170, 2226, 2604, 2968, 3180, 3255, 3286, 3710, 3720, 4340, 4452, 4929, 5208, 5565, 6360, 6510, 6572, 7420, 8215, 8680, 8904, 9858, 11130, 11501, 13020, 13144, 14840, 16430, 19716, 22260, 23002, 24645, 26040, 32860, 34503, 39432, 44520, 46004, 49290, 57505, 65720, 69006, 92008, 98580, 115010, 138012, 172515, 197160, 230020, 276024, 345030, 460040, 690060, 1380120]

約数ペア:

[(1, 1380120), (2, 690060), (3, 460040), (4, 345030), (5, 276024), (6, 230020), (7, 197160), (8, 172515), (10, 138012), (12, 115010), (14, 98580), (15, 92008), (20, 69006), (21, 65720), (24, 57505), (28, 49290), (30, 46004), (31, 44520), (35, 39432), (40, 34503), (42, 32860), (53, 26040), (56, 24645), (60, 23002), (62, 22260), (70, 19716), (84, 16430), (93, 14840), (105, 13144), (106, 13020), (120, 11501), (124, 11130), (140, 9858), (155, 8904), (159, 8680), (168, 8215), (186, 7420), (210, 6572), (212, 6510), (217, 6360), (248, 5565), (265, 5208), (280, 4929), (310, 4452), (318, 4340), (371, 3720), (372, 3710), (420, 3286), (424, 3255), (434, 3180), (465, 2968), (530, 2604), (620, 2226), (636, 2170), (651, 2120), (742, 1860), (744, 1855), (795, 1736), (840, 1643), (868, 1590), (930, 1484), (1060, 1302), (1085, 1272), (1113, 1240)]