201481140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{68531}}^1$

素因数の和:68557

約数の個数: 72

約数和(自身を含む): 656262432

約数和(自身を除く): 454781292

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, 68531, 137062, 205593, 274124, 342655, 411186, 479717, 685310, 822372, 959434, 1027965, 1370620, 1439151, 1918868, 2055930, 2398585, 2878302, 3358019, 4111860, 4797170, 5756604, 6716038, 7195755, 9594340, 10074057, 13432076, 14391510, 16790095, 20148114, 28783020, 33580190, 40296228, 50370285, 67160380, 100740570, 201481140]

約数ペア:

[(1, 201481140), (2, 100740570), (3, 67160380), (4, 50370285), (5, 40296228), (6, 33580190), (7, 28783020), (10, 20148114), (12, 16790095), (14, 14391510), (15, 13432076), (20, 10074057), (21, 9594340), (28, 7195755), (30, 6716038), (35, 5756604), (42, 4797170), (49, 4111860), (60, 3358019), (70, 2878302), (84, 2398585), (98, 2055930), (105, 1918868), (140, 1439151), (147, 1370620), (196, 1027965), (210, 959434), (245, 822372), (294, 685310), (420, 479717), (490, 411186), (588, 342655), (735, 274124), (980, 205593), (1470, 137062), (2940, 68531)]