131631240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4441}}^1$

素因数の和:4487

約数の個数: 128

約数和(自身を含む): 447753600

約数和(自身を除く): 316122360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4441, 4940, 5928, 7410, 8882, 9880, 13323, 14820, 17764, 22205, 26646, 29640, 35528, 44410, 53292, 57733, 66615, 84379, 88820, 106584, 115466, 133230, 168758, 173199, 177640, 230932, 253137, 266460, 288665, 337516, 346398, 421895, 461864, 506274, 532920, 577330, 675032, 692796, 843790, 865995, 1012548, 1096927, 1154660, 1265685, 1385592, 1687580, 1731990, 2025096, 2193854, 2309320, 2531370, 3290781, 3375160, 3463980, 4387708, 5062740, 5484635, 6581562, 6927960, 8775416, 10125480, 10969270, 13163124, 16453905, 21938540, 26326248, 32907810, 43877080, 65815620, 131631240]

約数ペア:

[(1, 131631240), (2, 65815620), (3, 43877080), (4, 32907810), (5, 26326248), (6, 21938540), (8, 16453905), (10, 13163124), (12, 10969270), (13, 10125480), (15, 8775416), (19, 6927960), (20, 6581562), (24, 5484635), (26, 5062740), (30, 4387708), (38, 3463980), (39, 3375160), (40, 3290781), (52, 2531370), (57, 2309320), (60, 2193854), (65, 2025096), (76, 1731990), (78, 1687580), (95, 1385592), (104, 1265685), (114, 1154660), (120, 1096927), (130, 1012548), (152, 865995), (156, 843790), (190, 692796), (195, 675032), (228, 577330), (247, 532920), (260, 506274), (285, 461864), (312, 421895), (380, 346398), (390, 337516), (456, 288665), (494, 266460), (520, 253137), (570, 230932), (741, 177640), (760, 173199), (780, 168758), (988, 133230), (1140, 115466), (1235, 106584), (1482, 88820), (1560, 84379), (1976, 66615), (2280, 57733), (2470, 53292), (2964, 44410), (3705, 35528), (4441, 29640), (4940, 26646), (5928, 22205), (7410, 17764), (8882, 14820), (9880, 13323)]