195720

素因数分解:

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

素因数の和:254

約数の個数: 64

約数和(自身を含む): 673920

約数和(自身を除く): 478200

約数列:

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

約数ペア:

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