72278820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1429}}^1$

素因数の和:1725

約数の個数: 72

約数和(自身を含む): 220179960

約数和(自身を除く): 147901140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 562, 843, 1124, 1405, 1429, 1686, 2529, 2810, 2858, 3372, 4215, 4287, 5058, 5620, 5716, 7145, 8430, 8574, 10116, 12645, 12861, 14290, 16860, 17148, 21435, 25290, 25722, 28580, 42870, 50580, 51444, 64305, 85740, 128610, 257220, 401549, 803098, 1204647, 1606196, 2007745, 2409294, 3613941, 4015490, 4818588, 6023235, 7227882, 8030980, 12046470, 14455764, 18069705, 24092940, 36139410, 72278820]

約数ペア:

[(1, 72278820), (2, 36139410), (3, 24092940), (4, 18069705), (5, 14455764), (6, 12046470), (9, 8030980), (10, 7227882), (12, 6023235), (15, 4818588), (18, 4015490), (20, 3613941), (30, 2409294), (36, 2007745), (45, 1606196), (60, 1204647), (90, 803098), (180, 401549), (281, 257220), (562, 128610), (843, 85740), (1124, 64305), (1405, 51444), (1429, 50580), (1686, 42870), (2529, 28580), (2810, 25722), (2858, 25290), (3372, 21435), (4215, 17148), (4287, 16860), (5058, 14290), (5620, 12861), (5716, 12645), (7145, 10116), (8430, 8574)]