9990120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{1699}}^1$

素因数の和:1727

約数の個数: 96

約数和(自身を含む): 34884000

約数和(自身を除く): 24893880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1699, 1960, 2940, 3398, 5097, 5880, 6796, 8495, 10194, 11893, 13592, 16990, 20388, 23786, 25485, 33980, 35679, 40776, 47572, 50970, 59465, 67960, 71358, 83251, 95144, 101940, 118930, 142716, 166502, 178395, 203880, 237860, 249753, 285432, 333004, 356790, 416255, 475720, 499506, 666008, 713580, 832510, 999012, 1248765, 1427160, 1665020, 1998024, 2497530, 3330040, 4995060, 9990120]

約数ペア:

[(1, 9990120), (2, 4995060), (3, 3330040), (4, 2497530), (5, 1998024), (6, 1665020), (7, 1427160), (8, 1248765), (10, 999012), (12, 832510), (14, 713580), (15, 666008), (20, 499506), (21, 475720), (24, 416255), (28, 356790), (30, 333004), (35, 285432), (40, 249753), (42, 237860), (49, 203880), (56, 178395), (60, 166502), (70, 142716), (84, 118930), (98, 101940), (105, 95144), (120, 83251), (140, 71358), (147, 67960), (168, 59465), (196, 50970), (210, 47572), (245, 40776), (280, 35679), (294, 33980), (392, 25485), (420, 23786), (490, 20388), (588, 16990), (735, 13592), (840, 11893), (980, 10194), (1176, 8495), (1470, 6796), (1699, 5880), (1960, 5097), (2940, 3398)]