420143640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{71453}}^1$

素因数の和:71481

約数の個数: 96

約数和(自身を含む): 1466236080

約数和(自身を除く): 1046092440

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, 1960, 2940, 5880, 71453, 142906, 214359, 285812, 357265, 428718, 500171, 571624, 714530, 857436, 1000342, 1071795, 1429060, 1500513, 1714872, 2000684, 2143590, 2500855, 2858120, 3001026, 3501197, 4001368, 4287180, 5001710, 6002052, 7002394, 7502565, 8574360, 10003420, 10503591, 12004104, 14004788, 15005130, 17505985, 20006840, 21007182, 28009576, 30010260, 35011970, 42014364, 52517955, 60020520, 70023940, 84028728, 105035910, 140047880, 210071820, 420143640]

約数ペア:

[(1, 420143640), (2, 210071820), (3, 140047880), (4, 105035910), (5, 84028728), (6, 70023940), (7, 60020520), (8, 52517955), (10, 42014364), (12, 35011970), (14, 30010260), (15, 28009576), (20, 21007182), (21, 20006840), (24, 17505985), (28, 15005130), (30, 14004788), (35, 12004104), (40, 10503591), (42, 10003420), (49, 8574360), (56, 7502565), (60, 7002394), (70, 6002052), (84, 5001710), (98, 4287180), (105, 4001368), (120, 3501197), (140, 3001026), (147, 2858120), (168, 2500855), (196, 2143590), (210, 2000684), (245, 1714872), (280, 1500513), (294, 1429060), (392, 1071795), (420, 1000342), (490, 857436), (588, 714530), (735, 571624), (840, 500171), (980, 428718), (1176, 357265), (1470, 285812), (1960, 214359), (2940, 142906), (5880, 71453)]