251792520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6971}}^1$

素因数の和:7035

約数の個数: 128

約数和(自身を含む): 883491840

約数和(自身を除く): 631699320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1204, 1290, 1505, 1720, 1806, 2408, 2580, 3010, 3612, 4515, 5160, 6020, 6971, 7224, 9030, 12040, 13942, 18060, 20913, 27884, 34855, 36120, 41826, 48797, 55768, 69710, 83652, 97594, 104565, 139420, 146391, 167304, 195188, 209130, 243985, 278840, 292782, 299753, 390376, 418260, 487970, 585564, 599506, 731955, 836520, 899259, 975940, 1171128, 1199012, 1463910, 1498765, 1798518, 1951880, 2098271, 2398024, 2927820, 2997530, 3597036, 4196542, 4496295, 5855640, 5995060, 6294813, 7194072, 8393084, 8992590, 10491355, 11990120, 12589626, 16786168, 17985180, 20982710, 25179252, 31474065, 35970360, 41965420, 50358504, 62948130, 83930840, 125896260, 251792520]

約数ペア:

[(1, 251792520), (2, 125896260), (3, 83930840), (4, 62948130), (5, 50358504), (6, 41965420), (7, 35970360), (8, 31474065), (10, 25179252), (12, 20982710), (14, 17985180), (15, 16786168), (20, 12589626), (21, 11990120), (24, 10491355), (28, 8992590), (30, 8393084), (35, 7194072), (40, 6294813), (42, 5995060), (43, 5855640), (56, 4496295), (60, 4196542), (70, 3597036), (84, 2997530), (86, 2927820), (105, 2398024), (120, 2098271), (129, 1951880), (140, 1798518), (168, 1498765), (172, 1463910), (210, 1199012), (215, 1171128), (258, 975940), (280, 899259), (301, 836520), (344, 731955), (420, 599506), (430, 585564), (516, 487970), (602, 418260), (645, 390376), (840, 299753), (860, 292782), (903, 278840), (1032, 243985), (1204, 209130), (1290, 195188), (1505, 167304), (1720, 146391), (1806, 139420), (2408, 104565), (2580, 97594), (3010, 83652), (3612, 69710), (4515, 55768), (5160, 48797), (6020, 41826), (6971, 36120), (7224, 34855), (9030, 27884), (12040, 20913), (13942, 18060)]