391440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{233}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 1392768

約数和(自身を除く): 1001328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 233, 240, 280, 336, 420, 466, 560, 699, 840, 932, 1165, 1398, 1631, 1680, 1864, 2330, 2796, 3262, 3495, 3728, 4660, 4893, 5592, 6524, 6990, 8155, 9320, 9786, 11184, 13048, 13980, 16310, 18640, 19572, 24465, 26096, 27960, 32620, 39144, 48930, 55920, 65240, 78288, 97860, 130480, 195720, 391440]

約数ペア:

[(1, 391440), (2, 195720), (3, 130480), (4, 97860), (5, 78288), (6, 65240), (7, 55920), (8, 48930), (10, 39144), (12, 32620), (14, 27960), (15, 26096), (16, 24465), (20, 19572), (21, 18640), (24, 16310), (28, 13980), (30, 13048), (35, 11184), (40, 9786), (42, 9320), (48, 8155), (56, 6990), (60, 6524), (70, 5592), (80, 4893), (84, 4660), (105, 3728), (112, 3495), (120, 3262), (140, 2796), (168, 2330), (210, 1864), (233, 1680), (240, 1631), (280, 1398), (336, 1165), (420, 932), (466, 840), (560, 699)]