2168040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 128

約数和(自身を含む): 7776000

約数和(自身を除く): 5607960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 89, 105, 116, 120, 140, 145, 168, 174, 178, 203, 210, 232, 267, 280, 290, 348, 356, 406, 420, 435, 445, 534, 580, 609, 623, 696, 712, 812, 840, 870, 890, 1015, 1068, 1160, 1218, 1246, 1335, 1624, 1740, 1780, 1869, 2030, 2136, 2436, 2492, 2581, 2670, 3045, 3115, 3480, 3560, 3738, 4060, 4872, 4984, 5162, 5340, 6090, 6230, 7476, 7743, 8120, 9345, 10324, 10680, 12180, 12460, 12905, 14952, 15486, 18067, 18690, 20648, 24360, 24920, 25810, 30972, 36134, 37380, 38715, 51620, 54201, 61944, 72268, 74760, 77430, 90335, 103240, 108402, 144536, 154860, 180670, 216804, 271005, 309720, 361340, 433608, 542010, 722680, 1084020, 2168040]

約数ペア:

[(1, 2168040), (2, 1084020), (3, 722680), (4, 542010), (5, 433608), (6, 361340), (7, 309720), (8, 271005), (10, 216804), (12, 180670), (14, 154860), (15, 144536), (20, 108402), (21, 103240), (24, 90335), (28, 77430), (29, 74760), (30, 72268), (35, 61944), (40, 54201), (42, 51620), (56, 38715), (58, 37380), (60, 36134), (70, 30972), (84, 25810), (87, 24920), (89, 24360), (105, 20648), (116, 18690), (120, 18067), (140, 15486), (145, 14952), (168, 12905), (174, 12460), (178, 12180), (203, 10680), (210, 10324), (232, 9345), (267, 8120), (280, 7743), (290, 7476), (348, 6230), (356, 6090), (406, 5340), (420, 5162), (435, 4984), (445, 4872), (534, 4060), (580, 3738), (609, 3560), (623, 3480), (696, 3115), (712, 3045), (812, 2670), (840, 2581), (870, 2492), (890, 2436), (1015, 2136), (1068, 2030), (1160, 1869), (1218, 1780), (1246, 1740), (1335, 1624)]