28134540

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{827}}^1$

素因数の和:858

約数の個数: 144

約数和(自身を含む): 101267712

約数和(自身を除く): 73133172

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, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 827, 945, 972, 1134, 1215, 1260, 1620, 1654, 1701, 1890, 2268, 2430, 2481, 2835, 3308, 3402, 3780, 4135, 4860, 4962, 5670, 5789, 6804, 7443, 8270, 8505, 9924, 11340, 11578, 12405, 14886, 16540, 17010, 17367, 22329, 23156, 24810, 28945, 29772, 34020, 34734, 37215, 44658, 49620, 52101, 57890, 66987, 69468, 74430, 86835, 89316, 104202, 111645, 115780, 133974, 148860, 156303, 173670, 200961, 208404, 223290, 260505, 267948, 312606, 334935, 347340, 401922, 446580, 468909, 521010, 625212, 669870, 781515, 803844, 937818, 1004805, 1042020, 1339740, 1406727, 1563030, 1875636, 2009610, 2344545, 2813454, 3126060, 4019220, 4689090, 5626908, 7033635, 9378180, 14067270, 28134540]

約数ペア:

[(1, 28134540), (2, 14067270), (3, 9378180), (4, 7033635), (5, 5626908), (6, 4689090), (7, 4019220), (9, 3126060), (10, 2813454), (12, 2344545), (14, 2009610), (15, 1875636), (18, 1563030), (20, 1406727), (21, 1339740), (27, 1042020), (28, 1004805), (30, 937818), (35, 803844), (36, 781515), (42, 669870), (45, 625212), (54, 521010), (60, 468909), (63, 446580), (70, 401922), (81, 347340), (84, 334935), (90, 312606), (105, 267948), (108, 260505), (126, 223290), (135, 208404), (140, 200961), (162, 173670), (180, 156303), (189, 148860), (210, 133974), (243, 115780), (252, 111645), (270, 104202), (315, 89316), (324, 86835), (378, 74430), (405, 69468), (420, 66987), (486, 57890), (540, 52101), (567, 49620), (630, 44658), (756, 37215), (810, 34734), (827, 34020), (945, 29772), (972, 28945), (1134, 24810), (1215, 23156), (1260, 22329), (1620, 17367), (1654, 17010), (1701, 16540), (1890, 14886), (2268, 12405), (2430, 11578), (2481, 11340), (2835, 9924), (3308, 8505), (3402, 8270), (3780, 7443), (4135, 6804), (4860, 5789), (4962, 5670)]