816321780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2287}}^1$

素因数の和:2966

約数の個数: 96

約数和(自身を含む): 2544622080

約数和(自身を除く): 1728300300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 661, 1322, 1983, 2287, 2644, 3305, 3966, 4574, 5949, 6610, 6861, 7932, 9148, 9915, 11435, 11898, 13220, 13722, 17847, 19830, 20583, 22870, 23796, 27444, 29745, 34305, 35694, 39660, 41166, 45740, 59490, 61749, 68610, 71388, 82332, 89235, 102915, 118980, 123498, 137220, 178470, 205830, 246996, 308745, 356940, 411660, 617490, 1234980, 1511707, 3023414, 4535121, 6046828, 7558535, 9070242, 13605363, 15117070, 18140484, 22675605, 27210726, 30234140, 40816089, 45351210, 54421452, 68026815, 81632178, 90702420, 136053630, 163264356, 204080445, 272107260, 408160890, 816321780]

約数ペア:

[(1, 816321780), (2, 408160890), (3, 272107260), (4, 204080445), (5, 163264356), (6, 136053630), (9, 90702420), (10, 81632178), (12, 68026815), (15, 54421452), (18, 45351210), (20, 40816089), (27, 30234140), (30, 27210726), (36, 22675605), (45, 18140484), (54, 15117070), (60, 13605363), (90, 9070242), (108, 7558535), (135, 6046828), (180, 4535121), (270, 3023414), (540, 1511707), (661, 1234980), (1322, 617490), (1983, 411660), (2287, 356940), (2644, 308745), (3305, 246996), (3966, 205830), (4574, 178470), (5949, 137220), (6610, 123498), (6861, 118980), (7932, 102915), (9148, 89235), (9915, 82332), (11435, 71388), (11898, 68610), (13220, 61749), (13722, 59490), (17847, 45740), (19830, 41166), (20583, 39660), (22870, 35694), (23796, 34305), (27444, 29745)]