919218780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{877}}^1$

素因数の和:1545

約数の個数: 120

約数和(自身を含む): 2891373408

約数和(自身を除く): 1972154628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 647, 810, 877, 1294, 1620, 1754, 1941, 2588, 2631, 3235, 3508, 3882, 4385, 5262, 5823, 6470, 7764, 7893, 8770, 9705, 10524, 11646, 12940, 13155, 15786, 17469, 17540, 19410, 23292, 23679, 26310, 29115, 31572, 34938, 38820, 39465, 47358, 52407, 52620, 58230, 69876, 71037, 78930, 87345, 94716, 104814, 116460, 118395, 142074, 157860, 174690, 209628, 236790, 262035, 284148, 349380, 355185, 473580, 524070, 567419, 710370, 1048140, 1134838, 1420740, 1702257, 2269676, 2837095, 3404514, 5106771, 5674190, 6809028, 8511285, 10213542, 11348380, 15320313, 17022570, 20427084, 25533855, 30640626, 34045140, 45960939, 51067710, 61281252, 76601565, 91921878, 102135420, 153203130, 183843756, 229804695, 306406260, 459609390, 919218780]

約数ペア:

[(1, 919218780), (2, 459609390), (3, 306406260), (4, 229804695), (5, 183843756), (6, 153203130), (9, 102135420), (10, 91921878), (12, 76601565), (15, 61281252), (18, 51067710), (20, 45960939), (27, 34045140), (30, 30640626), (36, 25533855), (45, 20427084), (54, 17022570), (60, 15320313), (81, 11348380), (90, 10213542), (108, 8511285), (135, 6809028), (162, 5674190), (180, 5106771), (270, 3404514), (324, 2837095), (405, 2269676), (540, 1702257), (647, 1420740), (810, 1134838), (877, 1048140), (1294, 710370), (1620, 567419), (1754, 524070), (1941, 473580), (2588, 355185), (2631, 349380), (3235, 284148), (3508, 262035), (3882, 236790), (4385, 209628), (5262, 174690), (5823, 157860), (6470, 142074), (7764, 118395), (7893, 116460), (8770, 104814), (9705, 94716), (10524, 87345), (11646, 78930), (12940, 71037), (13155, 69876), (15786, 58230), (17469, 52620), (17540, 52407), (19410, 47358), (23292, 39465), (23679, 38820), (26310, 34938), (29115, 31572)]