421707720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{71719}}^1$

素因数の和:71747

約数の個数: 96

約数和(自身を含む): 1471694400

約数和(自身を除く): 1049986680

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, 71719, 143438, 215157, 286876, 358595, 430314, 502033, 573752, 717190, 860628, 1004066, 1075785, 1434380, 1506099, 1721256, 2008132, 2151570, 2510165, 2868760, 3012198, 3514231, 4016264, 4303140, 5020330, 6024396, 7028462, 7530495, 8606280, 10040660, 10542693, 12048792, 14056924, 15060990, 17571155, 20081320, 21085386, 28113848, 30121980, 35142310, 42170772, 52713465, 60243960, 70284620, 84341544, 105426930, 140569240, 210853860, 421707720]

約数ペア:

[(1, 421707720), (2, 210853860), (3, 140569240), (4, 105426930), (5, 84341544), (6, 70284620), (7, 60243960), (8, 52713465), (10, 42170772), (12, 35142310), (14, 30121980), (15, 28113848), (20, 21085386), (21, 20081320), (24, 17571155), (28, 15060990), (30, 14056924), (35, 12048792), (40, 10542693), (42, 10040660), (49, 8606280), (56, 7530495), (60, 7028462), (70, 6024396), (84, 5020330), (98, 4303140), (105, 4016264), (120, 3514231), (140, 3012198), (147, 2868760), (168, 2510165), (196, 2151570), (210, 2008132), (245, 1721256), (280, 1506099), (294, 1434380), (392, 1075785), (420, 1004066), (490, 860628), (588, 717190), (735, 573752), (840, 502033), (980, 430314), (1176, 358595), (1470, 286876), (1960, 215157), (2940, 143438), (5880, 71719)]