81821700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{229}}^1\times {\mathrm{397}}^1$

素因数の和:646

約数の個数: 108

約数和(自身を含む): 258234340

約数和(自身を除く): 176412640

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 229, 300, 397, 450, 458, 687, 794, 900, 916, 1145, 1191, 1374, 1588, 1985, 2061, 2290, 2382, 2748, 3435, 3573, 3970, 4122, 4580, 4764, 5725, 5955, 6870, 7146, 7940, 8244, 9925, 10305, 11450, 11910, 13740, 14292, 17175, 17865, 19850, 20610, 22900, 23820, 29775, 34350, 35730, 39700, 41220, 51525, 59550, 68700, 71460, 89325, 90913, 103050, 119100, 178650, 181826, 206100, 272739, 357300, 363652, 454565, 545478, 818217, 909130, 1090956, 1363695, 1636434, 1818260, 2272825, 2727390, 3272868, 4091085, 4545650, 5454780, 6818475, 8182170, 9091300, 13636950, 16364340, 20455425, 27273900, 40910850, 81821700]

約数ペア:

[(1, 81821700), (2, 40910850), (3, 27273900), (4, 20455425), (5, 16364340), (6, 13636950), (9, 9091300), (10, 8182170), (12, 6818475), (15, 5454780), (18, 4545650), (20, 4091085), (25, 3272868), (30, 2727390), (36, 2272825), (45, 1818260), (50, 1636434), (60, 1363695), (75, 1090956), (90, 909130), (100, 818217), (150, 545478), (180, 454565), (225, 363652), (229, 357300), (300, 272739), (397, 206100), (450, 181826), (458, 178650), (687, 119100), (794, 103050), (900, 90913), (916, 89325), (1145, 71460), (1191, 68700), (1374, 59550), (1588, 51525), (1985, 41220), (2061, 39700), (2290, 35730), (2382, 34350), (2748, 29775), (3435, 23820), (3573, 22900), (3970, 20610), (4122, 19850), (4580, 17865), (4764, 17175), (5725, 14292), (5955, 13740), (6870, 11910), (7146, 11450), (7940, 10305), (8244, 9925)]