319757340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{108761}}^1$

素因数の和:108787

約数の個数: 72

約数和(自身を含む): 1041504912

約数和(自身を除く): 721747572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 108761, 217522, 326283, 435044, 543805, 652566, 761327, 1087610, 1305132, 1522654, 1631415, 2175220, 2283981, 3045308, 3262830, 3806635, 4567962, 5329289, 6525660, 7613270, 9135924, 10658578, 11419905, 15226540, 15987867, 21317156, 22839810, 26646445, 31975734, 45679620, 53292890, 63951468, 79939335, 106585780, 159878670, 319757340]

約数ペア:

[(1, 319757340), (2, 159878670), (3, 106585780), (4, 79939335), (5, 63951468), (6, 53292890), (7, 45679620), (10, 31975734), (12, 26646445), (14, 22839810), (15, 21317156), (20, 15987867), (21, 15226540), (28, 11419905), (30, 10658578), (35, 9135924), (42, 7613270), (49, 6525660), (60, 5329289), (70, 4567962), (84, 3806635), (98, 3262830), (105, 3045308), (140, 2283981), (147, 2175220), (196, 1631415), (210, 1522654), (245, 1305132), (294, 1087610), (420, 761327), (490, 652566), (588, 543805), (735, 435044), (980, 326283), (1470, 217522), (2940, 108761)]