81693450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{379}}^1\times {\mathrm{479}}^1$

素因数の和:876

約数の個数: 72

約数和(自身を含む): 220521600

約数和(自身を除く): 138828150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 379, 450, 479, 758, 958, 1137, 1437, 1895, 2274, 2395, 2874, 3411, 3790, 4311, 4790, 5685, 6822, 7185, 8622, 9475, 11370, 11975, 14370, 17055, 18950, 21555, 23950, 28425, 34110, 35925, 43110, 56850, 71850, 85275, 107775, 170550, 181541, 215550, 363082, 544623, 907705, 1089246, 1633869, 1815410, 2723115, 3267738, 4538525, 5446230, 8169345, 9077050, 13615575, 16338690, 27231150, 40846725, 81693450]

約数ペア:

[(1, 81693450), (2, 40846725), (3, 27231150), (5, 16338690), (6, 13615575), (9, 9077050), (10, 8169345), (15, 5446230), (18, 4538525), (25, 3267738), (30, 2723115), (45, 1815410), (50, 1633869), (75, 1089246), (90, 907705), (150, 544623), (225, 363082), (379, 215550), (450, 181541), (479, 170550), (758, 107775), (958, 85275), (1137, 71850), (1437, 56850), (1895, 43110), (2274, 35925), (2395, 34110), (2874, 28425), (3411, 23950), (3790, 21555), (4311, 18950), (4790, 17055), (5685, 14370), (6822, 11975), (7185, 11370), (8622, 9475)]