51672780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:584

約数の個数: 144

約数和(自身を含む): 171007200

約数和(自身を除く): 119334420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 145, 171, 174, 180, 190, 228, 261, 285, 290, 342, 348, 380, 435, 521, 522, 551, 570, 580, 684, 855, 870, 1042, 1044, 1102, 1140, 1305, 1563, 1653, 1710, 1740, 2084, 2204, 2605, 2610, 2755, 3126, 3306, 3420, 4689, 4959, 5210, 5220, 5510, 6252, 6612, 7815, 8265, 9378, 9899, 9918, 10420, 11020, 15109, 15630, 16530, 18756, 19798, 19836, 23445, 24795, 29697, 30218, 31260, 33060, 39596, 45327, 46890, 49495, 49590, 59394, 60436, 75545, 89091, 90654, 93780, 98990, 99180, 118788, 135981, 148485, 151090, 178182, 181308, 197980, 226635, 271962, 287071, 296970, 302180, 356364, 445455, 453270, 543924, 574142, 593940, 679905, 861213, 890910, 906540, 1148284, 1359810, 1435355, 1722426, 1781820, 2583639, 2719620, 2870710, 3444852, 4306065, 5167278, 5741420, 8612130, 10334556, 12918195, 17224260, 25836390, 51672780]

約数ペア:

[(1, 51672780), (2, 25836390), (3, 17224260), (4, 12918195), (5, 10334556), (6, 8612130), (9, 5741420), (10, 5167278), (12, 4306065), (15, 3444852), (18, 2870710), (19, 2719620), (20, 2583639), (29, 1781820), (30, 1722426), (36, 1435355), (38, 1359810), (45, 1148284), (57, 906540), (58, 890910), (60, 861213), (76, 679905), (87, 593940), (90, 574142), (95, 543924), (114, 453270), (116, 445455), (145, 356364), (171, 302180), (174, 296970), (180, 287071), (190, 271962), (228, 226635), (261, 197980), (285, 181308), (290, 178182), (342, 151090), (348, 148485), (380, 135981), (435, 118788), (521, 99180), (522, 98990), (551, 93780), (570, 90654), (580, 89091), (684, 75545), (855, 60436), (870, 59394), (1042, 49590), (1044, 49495), (1102, 46890), (1140, 45327), (1305, 39596), (1563, 33060), (1653, 31260), (1710, 30218), (1740, 29697), (2084, 24795), (2204, 23445), (2605, 19836), (2610, 19798), (2755, 18756), (3126, 16530), (3306, 15630), (3420, 15109), (4689, 11020), (4959, 10420), (5210, 9918), (5220, 9899), (5510, 9378), (6252, 8265), (6612, 7815)]