220959810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:464

約数の個数: 96

約数和(自身を含む): 589006080

約数和(自身を除く): 368046270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 151, 213, 229, 302, 355, 426, 453, 458, 639, 687, 710, 755, 906, 1065, 1145, 1278, 1359, 1374, 1510, 2061, 2130, 2265, 2290, 2718, 3195, 3435, 4122, 4530, 6390, 6795, 6870, 10305, 10721, 13590, 16259, 20610, 21442, 32163, 32518, 34579, 48777, 53605, 64326, 69158, 81295, 96489, 97554, 103737, 107210, 146331, 160815, 162590, 172895, 192978, 207474, 243885, 292662, 311211, 321630, 345790, 482445, 487770, 518685, 622422, 731655, 964890, 1037370, 1463310, 1556055, 2455109, 3112110, 4910218, 7365327, 12275545, 14730654, 22095981, 24551090, 36826635, 44191962, 73653270, 110479905, 220959810]

約数ペア:

[(1, 220959810), (2, 110479905), (3, 73653270), (5, 44191962), (6, 36826635), (9, 24551090), (10, 22095981), (15, 14730654), (18, 12275545), (30, 7365327), (45, 4910218), (71, 3112110), (90, 2455109), (142, 1556055), (151, 1463310), (213, 1037370), (229, 964890), (302, 731655), (355, 622422), (426, 518685), (453, 487770), (458, 482445), (639, 345790), (687, 321630), (710, 311211), (755, 292662), (906, 243885), (1065, 207474), (1145, 192978), (1278, 172895), (1359, 162590), (1374, 160815), (1510, 146331), (2061, 107210), (2130, 103737), (2265, 97554), (2290, 96489), (2718, 81295), (3195, 69158), (3435, 64326), (4122, 53605), (4530, 48777), (6390, 34579), (6795, 32518), (6870, 32163), (10305, 21442), (10721, 20610), (13590, 16259)]