21780600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1221

約数の個数: 96

約数和(自身を含む): 69757440

約数和(自身を除く): 47976840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 31, 40, 50, 60, 62, 75, 93, 100, 120, 124, 150, 155, 186, 200, 248, 300, 310, 372, 465, 600, 620, 744, 775, 930, 1171, 1240, 1550, 1860, 2325, 2342, 3100, 3513, 3720, 4650, 4684, 5855, 6200, 7026, 9300, 9368, 11710, 14052, 17565, 18600, 23420, 28104, 29275, 35130, 36301, 46840, 58550, 70260, 72602, 87825, 108903, 117100, 140520, 145204, 175650, 181505, 217806, 234200, 290408, 351300, 363010, 435612, 544515, 702600, 726020, 871224, 907525, 1089030, 1452040, 1815050, 2178060, 2722575, 3630100, 4356120, 5445150, 7260200, 10890300, 21780600]

約数ペア:

[(1, 21780600), (2, 10890300), (3, 7260200), (4, 5445150), (5, 4356120), (6, 3630100), (8, 2722575), (10, 2178060), (12, 1815050), (15, 1452040), (20, 1089030), (24, 907525), (25, 871224), (30, 726020), (31, 702600), (40, 544515), (50, 435612), (60, 363010), (62, 351300), (75, 290408), (93, 234200), (100, 217806), (120, 181505), (124, 175650), (150, 145204), (155, 140520), (186, 117100), (200, 108903), (248, 87825), (300, 72602), (310, 70260), (372, 58550), (465, 46840), (600, 36301), (620, 35130), (744, 29275), (775, 28104), (930, 23420), (1171, 18600), (1240, 17565), (1550, 14052), (1860, 11710), (2325, 9368), (2342, 9300), (3100, 7026), (3513, 6200), (3720, 5855), (4650, 4684)]