218218140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{173189}}^1$

素因数の和:173211

約数の個数: 72

約数和(自身を含む): 756493920

約数和(自身を除く): 538275780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 173189, 346378, 519567, 692756, 865945, 1039134, 1212323, 1558701, 1731890, 2078268, 2424646, 2597835, 3117402, 3463780, 3636969, 4849292, 5195670, 6061615, 6234804, 7273938, 7793505, 10391340, 10910907, 12123230, 14547876, 15587010, 18184845, 21821814, 24246460, 31174020, 36369690, 43643628, 54554535, 72739380, 109109070, 218218140]

約数ペア:

[(1, 218218140), (2, 109109070), (3, 72739380), (4, 54554535), (5, 43643628), (6, 36369690), (7, 31174020), (9, 24246460), (10, 21821814), (12, 18184845), (14, 15587010), (15, 14547876), (18, 12123230), (20, 10910907), (21, 10391340), (28, 7793505), (30, 7273938), (35, 6234804), (36, 6061615), (42, 5195670), (45, 4849292), (60, 3636969), (63, 3463780), (70, 3117402), (84, 2597835), (90, 2424646), (105, 2078268), (126, 1731890), (140, 1558701), (180, 1212323), (210, 1039134), (252, 865945), (315, 692756), (420, 519567), (630, 346378), (1260, 173189)]