249219180

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{21977}}^1$

素因数の和:22005

約数の個数: 120

約数和(自身を含む): 893537568

約数和(自身を除く): 644318388

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 21977, 43954, 65931, 87908, 109885, 131862, 153839, 197793, 219770, 263724, 307678, 329655, 395586, 439540, 461517, 593379, 615356, 659310, 769195, 791172, 923034, 988965, 1186758, 1318620, 1384551, 1538390, 1780137, 1846068, 1977930, 2307585, 2373516, 2769102, 2966895, 3076780, 3560274, 3955860, 4153653, 4615170, 5538204, 5933790, 6922755, 7120548, 8307306, 8900685, 9230340, 11867580, 12460959, 13845510, 16614612, 17801370, 20768265, 24921918, 27691020, 35602740, 41536530, 49843836, 62304795, 83073060, 124609590, 249219180]

約数ペア:

[(1, 249219180), (2, 124609590), (3, 83073060), (4, 62304795), (5, 49843836), (6, 41536530), (7, 35602740), (9, 27691020), (10, 24921918), (12, 20768265), (14, 17801370), (15, 16614612), (18, 13845510), (20, 12460959), (21, 11867580), (27, 9230340), (28, 8900685), (30, 8307306), (35, 7120548), (36, 6922755), (42, 5933790), (45, 5538204), (54, 4615170), (60, 4153653), (63, 3955860), (70, 3560274), (81, 3076780), (84, 2966895), (90, 2769102), (105, 2373516), (108, 2307585), (126, 1977930), (135, 1846068), (140, 1780137), (162, 1538390), (180, 1384551), (189, 1318620), (210, 1186758), (252, 988965), (270, 923034), (315, 791172), (324, 769195), (378, 659310), (405, 615356), (420, 593379), (540, 461517), (567, 439540), (630, 395586), (756, 329655), (810, 307678), (945, 263724), (1134, 219770), (1260, 197793), (1620, 153839), (1890, 131862), (2268, 109885), (2835, 87908), (3780, 65931), (5670, 43954), (11340, 21977)]