218318580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{6701}}^1$

素因数の和:6897

約数の個数: 72

約数和(自身を含む): 665991144

約数和(自身を除く): 447672564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 5430, 6516, 6701, 8145, 10860, 13402, 16290, 20103, 26804, 32580, 33505, 40206, 60309, 67010, 80412, 100515, 120618, 134020, 201030, 241236, 301545, 402060, 603090, 1206180, 1212881, 2425762, 3638643, 4851524, 6064405, 7277286, 10915929, 12128810, 14554572, 18193215, 21831858, 24257620, 36386430, 43663716, 54579645, 72772860, 109159290, 218318580]

約数ペア:

[(1, 218318580), (2, 109159290), (3, 72772860), (4, 54579645), (5, 43663716), (6, 36386430), (9, 24257620), (10, 21831858), (12, 18193215), (15, 14554572), (18, 12128810), (20, 10915929), (30, 7277286), (36, 6064405), (45, 4851524), (60, 3638643), (90, 2425762), (180, 1212881), (181, 1206180), (362, 603090), (543, 402060), (724, 301545), (905, 241236), (1086, 201030), (1629, 134020), (1810, 120618), (2172, 100515), (2715, 80412), (3258, 67010), (3620, 60309), (5430, 40206), (6516, 33505), (6701, 32580), (8145, 26804), (10860, 20103), (13402, 16290)]