311256120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11953}}^1$

素因数の和:12005

約数の個数: 128

約数和(自身を含む): 1101680640

約数和(自身を除く): 790424520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 11953, 13020, 23906, 26040, 35859, 47812, 59765, 71718, 83671, 95624, 119530, 143436, 167342, 179295, 239060, 251013, 286872, 334684, 358590, 370543, 418355, 478120, 502026, 669368, 717180, 741086, 836710, 1004052, 1111629, 1255065, 1434360, 1482172, 1673420, 1852715, 2008104, 2223258, 2510130, 2593801, 2964344, 3346840, 3705430, 4446516, 5020260, 5187602, 5558145, 7410860, 7781403, 8893032, 10040520, 10375204, 11116290, 12969005, 14821720, 15562806, 20750408, 22232580, 25938010, 31125612, 38907015, 44465160, 51876020, 62251224, 77814030, 103752040, 155628060, 311256120]

約数ペア:

[(1, 311256120), (2, 155628060), (3, 103752040), (4, 77814030), (5, 62251224), (6, 51876020), (7, 44465160), (8, 38907015), (10, 31125612), (12, 25938010), (14, 22232580), (15, 20750408), (20, 15562806), (21, 14821720), (24, 12969005), (28, 11116290), (30, 10375204), (31, 10040520), (35, 8893032), (40, 7781403), (42, 7410860), (56, 5558145), (60, 5187602), (62, 5020260), (70, 4446516), (84, 3705430), (93, 3346840), (105, 2964344), (120, 2593801), (124, 2510130), (140, 2223258), (155, 2008104), (168, 1852715), (186, 1673420), (210, 1482172), (217, 1434360), (248, 1255065), (280, 1111629), (310, 1004052), (372, 836710), (420, 741086), (434, 717180), (465, 669368), (620, 502026), (651, 478120), (744, 418355), (840, 370543), (868, 358590), (930, 334684), (1085, 286872), (1240, 251013), (1302, 239060), (1736, 179295), (1860, 167342), (2170, 143436), (2604, 119530), (3255, 95624), (3720, 83671), (4340, 71718), (5208, 59765), (6510, 47812), (8680, 35859), (11953, 26040), (13020, 23906)]