28837620

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{2543}}^1$

素因数の和:2571

約数の個数: 120

約数和(自身を含む): 103428864

約数和(自身を除く): 74591244

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, 2543, 2835, 3780, 5086, 5670, 7629, 10172, 11340, 12715, 15258, 17801, 22887, 25430, 30516, 35602, 38145, 45774, 50860, 53403, 68661, 71204, 76290, 89005, 91548, 106806, 114435, 137322, 152580, 160209, 178010, 205983, 213612, 228870, 267015, 274644, 320418, 343305, 356020, 411966, 457740, 480627, 534030, 640836, 686610, 801045, 823932, 961254, 1029915, 1068060, 1373220, 1441881, 1602090, 1922508, 2059830, 2403135, 2883762, 3204180, 4119660, 4806270, 5767524, 7209405, 9612540, 14418810, 28837620]

約数ペア:

[(1, 28837620), (2, 14418810), (3, 9612540), (4, 7209405), (5, 5767524), (6, 4806270), (7, 4119660), (9, 3204180), (10, 2883762), (12, 2403135), (14, 2059830), (15, 1922508), (18, 1602090), (20, 1441881), (21, 1373220), (27, 1068060), (28, 1029915), (30, 961254), (35, 823932), (36, 801045), (42, 686610), (45, 640836), (54, 534030), (60, 480627), (63, 457740), (70, 411966), (81, 356020), (84, 343305), (90, 320418), (105, 274644), (108, 267015), (126, 228870), (135, 213612), (140, 205983), (162, 178010), (180, 160209), (189, 152580), (210, 137322), (252, 114435), (270, 106806), (315, 91548), (324, 89005), (378, 76290), (405, 71204), (420, 68661), (540, 53403), (567, 50860), (630, 45774), (756, 38145), (810, 35602), (945, 30516), (1134, 25430), (1260, 22887), (1620, 17801), (1890, 15258), (2268, 12715), (2543, 11340), (2835, 10172), (3780, 7629), (5086, 5670)]