1890711180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{5297}}^1$

素因数の和:5976

約数の個数: 96

約数和(自身を含む): 5892223680

約数和(自身を除く): 4001512500

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, 2644, 3305, 3966, 5297, 5949, 6610, 7932, 9915, 10594, 11898, 13220, 15891, 17847, 19830, 21188, 23796, 26485, 29745, 31782, 35694, 39660, 47673, 52970, 59490, 63564, 71388, 79455, 89235, 95346, 105940, 118980, 143019, 158910, 178470, 190692, 238365, 286038, 317820, 356940, 476730, 572076, 715095, 953460, 1430190, 2860380, 3501317, 7002634, 10503951, 14005268, 17506585, 21007902, 31511853, 35013170, 42015804, 52519755, 63023706, 70026340, 94535559, 105039510, 126047412, 157559265, 189071118, 210079020, 315118530, 378142236, 472677795, 630237060, 945355590, 1890711180]

約数ペア:

[(1, 1890711180), (2, 945355590), (3, 630237060), (4, 472677795), (5, 378142236), (6, 315118530), (9, 210079020), (10, 189071118), (12, 157559265), (15, 126047412), (18, 105039510), (20, 94535559), (27, 70026340), (30, 63023706), (36, 52519755), (45, 42015804), (54, 35013170), (60, 31511853), (90, 21007902), (108, 17506585), (135, 14005268), (180, 10503951), (270, 7002634), (540, 3501317), (661, 2860380), (1322, 1430190), (1983, 953460), (2644, 715095), (3305, 572076), (3966, 476730), (5297, 356940), (5949, 317820), (6610, 286038), (7932, 238365), (9915, 190692), (10594, 178470), (11898, 158910), (13220, 143019), (15891, 118980), (17847, 105940), (19830, 95346), (21188, 89235), (23796, 79455), (26485, 71388), (29745, 63564), (31782, 59490), (35694, 52970), (39660, 47673)]