78938100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:790

約数の個数: 108

約数和(自身を含む): 249602080

約数和(自身を除く): 170663980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 139, 150, 180, 225, 278, 300, 417, 450, 556, 631, 695, 834, 900, 1251, 1262, 1390, 1668, 1893, 2085, 2502, 2524, 2780, 3155, 3475, 3786, 4170, 5004, 5679, 6255, 6310, 6950, 7572, 8340, 9465, 10425, 11358, 12510, 12620, 13900, 15775, 18930, 20850, 22716, 25020, 28395, 31275, 31550, 37860, 41700, 47325, 56790, 62550, 63100, 87709, 94650, 113580, 125100, 141975, 175418, 189300, 263127, 283950, 350836, 438545, 526254, 567900, 789381, 877090, 1052508, 1315635, 1578762, 1754180, 2192725, 2631270, 3157524, 3946905, 4385450, 5262540, 6578175, 7893810, 8770900, 13156350, 15787620, 19734525, 26312700, 39469050, 78938100]

約数ペア:

[(1, 78938100), (2, 39469050), (3, 26312700), (4, 19734525), (5, 15787620), (6, 13156350), (9, 8770900), (10, 7893810), (12, 6578175), (15, 5262540), (18, 4385450), (20, 3946905), (25, 3157524), (30, 2631270), (36, 2192725), (45, 1754180), (50, 1578762), (60, 1315635), (75, 1052508), (90, 877090), (100, 789381), (139, 567900), (150, 526254), (180, 438545), (225, 350836), (278, 283950), (300, 263127), (417, 189300), (450, 175418), (556, 141975), (631, 125100), (695, 113580), (834, 94650), (900, 87709), (1251, 63100), (1262, 62550), (1390, 56790), (1668, 47325), (1893, 41700), (2085, 37860), (2502, 31550), (2524, 31275), (2780, 28395), (3155, 25020), (3475, 22716), (3786, 20850), (4170, 18930), (5004, 15775), (5679, 13900), (6255, 12620), (6310, 12510), (6950, 11358), (7572, 10425), (8340, 9465)]