161526540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{54941}}^1$

素因数の和:54967

約数の個数: 72

約数和(自身を含む): 526124592

約数和(自身を除く): 364598052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 54941, 109882, 164823, 219764, 274705, 329646, 384587, 549410, 659292, 769174, 824115, 1098820, 1153761, 1538348, 1648230, 1922935, 2307522, 2692109, 3296460, 3845870, 4615044, 5384218, 5768805, 7691740, 8076327, 10768436, 11537610, 13460545, 16152654, 23075220, 26921090, 32305308, 40381635, 53842180, 80763270, 161526540]

約数ペア:

[(1, 161526540), (2, 80763270), (3, 53842180), (4, 40381635), (5, 32305308), (6, 26921090), (7, 23075220), (10, 16152654), (12, 13460545), (14, 11537610), (15, 10768436), (20, 8076327), (21, 7691740), (28, 5768805), (30, 5384218), (35, 4615044), (42, 3845870), (49, 3296460), (60, 2692109), (70, 2307522), (84, 1922935), (98, 1648230), (105, 1538348), (140, 1153761), (147, 1098820), (196, 824115), (210, 769174), (245, 659292), (294, 549410), (420, 384587), (490, 329646), (588, 274705), (735, 219764), (980, 164823), (1470, 109882), (2940, 54941)]