155857380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19531}}^1$

素因数の和:19569

約数の個数: 96

約数和(自身を含む): 525020160

約数和(自身を除く): 369162780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 19531, 39062, 58593, 78124, 97655, 117186, 136717, 195310, 234372, 273434, 292965, 371089, 390620, 410151, 546868, 585930, 683585, 742178, 820302, 1113267, 1171860, 1367170, 1484356, 1640604, 1855445, 2050755, 2226534, 2597623, 2734340, 3710890, 4101510, 4453068, 5195246, 5566335, 7421780, 7792869, 8203020, 10390492, 11132670, 12988115, 15585738, 22265340, 25976230, 31171476, 38964345, 51952460, 77928690, 155857380]

約数ペア:

[(1, 155857380), (2, 77928690), (3, 51952460), (4, 38964345), (5, 31171476), (6, 25976230), (7, 22265340), (10, 15585738), (12, 12988115), (14, 11132670), (15, 10390492), (19, 8203020), (20, 7792869), (21, 7421780), (28, 5566335), (30, 5195246), (35, 4453068), (38, 4101510), (42, 3710890), (57, 2734340), (60, 2597623), (70, 2226534), (76, 2050755), (84, 1855445), (95, 1640604), (105, 1484356), (114, 1367170), (133, 1171860), (140, 1113267), (190, 820302), (210, 742178), (228, 683585), (266, 585930), (285, 546868), (380, 410151), (399, 390620), (420, 371089), (532, 292965), (570, 273434), (665, 234372), (798, 195310), (1140, 136717), (1330, 117186), (1596, 97655), (1995, 78124), (2660, 58593), (3990, 39062), (7980, 19531)]