2040390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:259

約数の個数: 80

約数和(自身を含む): 6011280

約数和(自身を除く): 3970890

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 229, 270, 297, 330, 405, 458, 495, 594, 687, 810, 891, 990, 1145, 1374, 1485, 1782, 2061, 2290, 2519, 2970, 3435, 4122, 4455, 5038, 6183, 6870, 7557, 8910, 10305, 12366, 12595, 15114, 18549, 20610, 22671, 25190, 30915, 37098, 37785, 45342, 61830, 68013, 75570, 92745, 113355, 136026, 185490, 204039, 226710, 340065, 408078, 680130, 1020195, 2040390]

約数ペア:

[(1, 2040390), (2, 1020195), (3, 680130), (5, 408078), (6, 340065), (9, 226710), (10, 204039), (11, 185490), (15, 136026), (18, 113355), (22, 92745), (27, 75570), (30, 68013), (33, 61830), (45, 45342), (54, 37785), (55, 37098), (66, 30915), (81, 25190), (90, 22671), (99, 20610), (110, 18549), (135, 15114), (162, 12595), (165, 12366), (198, 10305), (229, 8910), (270, 7557), (297, 6870), (330, 6183), (405, 5038), (458, 4455), (495, 4122), (594, 3435), (687, 2970), (810, 2519), (891, 2290), (990, 2061), (1145, 1782), (1374, 1485)]