2180790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 5987520

約数和(自身を除く): 3806730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 82, 90, 123, 135, 197, 205, 246, 270, 369, 394, 410, 591, 615, 738, 985, 1107, 1182, 1230, 1773, 1845, 1970, 2214, 2955, 3546, 3690, 5319, 5535, 5910, 8077, 8865, 10638, 11070, 16154, 17730, 24231, 26595, 40385, 48462, 53190, 72693, 80770, 121155, 145386, 218079, 242310, 363465, 436158, 726930, 1090395, 2180790]

約数ペア:

[(1, 2180790), (2, 1090395), (3, 726930), (5, 436158), (6, 363465), (9, 242310), (10, 218079), (15, 145386), (18, 121155), (27, 80770), (30, 72693), (41, 53190), (45, 48462), (54, 40385), (82, 26595), (90, 24231), (123, 17730), (135, 16154), (197, 11070), (205, 10638), (246, 8865), (270, 8077), (369, 5910), (394, 5535), (410, 5319), (591, 3690), (615, 3546), (738, 2955), (985, 2214), (1107, 1970), (1182, 1845), (1230, 1773)]