28998480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:485

約数の個数: 160

約数和(自身を含む): 105493248

約数和(自身を除く): 76494768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 105, 112, 120, 123, 140, 164, 168, 205, 210, 240, 246, 280, 287, 328, 336, 410, 420, 421, 492, 560, 574, 615, 656, 820, 840, 842, 861, 984, 1148, 1230, 1263, 1435, 1640, 1680, 1684, 1722, 1968, 2105, 2296, 2460, 2526, 2870, 2947, 3280, 3368, 3444, 4210, 4305, 4592, 4920, 5052, 5740, 5894, 6315, 6736, 6888, 8420, 8610, 8841, 9840, 10104, 11480, 11788, 12630, 13776, 14735, 16840, 17220, 17261, 17682, 20208, 22960, 23576, 25260, 29470, 33680, 34440, 34522, 35364, 44205, 47152, 50520, 51783, 58940, 68880, 69044, 70728, 86305, 88410, 101040, 103566, 117880, 120827, 138088, 141456, 172610, 176820, 207132, 235760, 241654, 258915, 276176, 345220, 353640, 362481, 414264, 483308, 517830, 604135, 690440, 707280, 724962, 828528, 966616, 1035660, 1208270, 1380880, 1449924, 1812405, 1933232, 2071320, 2416540, 2899848, 3624810, 4142640, 4833080, 5799696, 7249620, 9666160, 14499240, 28998480]

約数ペア:

[(1, 28998480), (2, 14499240), (3, 9666160), (4, 7249620), (5, 5799696), (6, 4833080), (7, 4142640), (8, 3624810), (10, 2899848), (12, 2416540), (14, 2071320), (15, 1933232), (16, 1812405), (20, 1449924), (21, 1380880), (24, 1208270), (28, 1035660), (30, 966616), (35, 828528), (40, 724962), (41, 707280), (42, 690440), (48, 604135), (56, 517830), (60, 483308), (70, 414264), (80, 362481), (82, 353640), (84, 345220), (105, 276176), (112, 258915), (120, 241654), (123, 235760), (140, 207132), (164, 176820), (168, 172610), (205, 141456), (210, 138088), (240, 120827), (246, 117880), (280, 103566), (287, 101040), (328, 88410), (336, 86305), (410, 70728), (420, 69044), (421, 68880), (492, 58940), (560, 51783), (574, 50520), (615, 47152), (656, 44205), (820, 35364), (840, 34522), (842, 34440), (861, 33680), (984, 29470), (1148, 25260), (1230, 23576), (1263, 22960), (1435, 20208), (1640, 17682), (1680, 17261), (1684, 17220), (1722, 16840), (1968, 14735), (2105, 13776), (2296, 12630), (2460, 11788), (2526, 11480), (2870, 10104), (2947, 9840), (3280, 8841), (3368, 8610), (3444, 8420), (4210, 6888), (4305, 6736), (4592, 6315), (4920, 5894), (5052, 5740)]