80831100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:716

約数の個数: 144

約数和(自身を含む): 272093696

約数和(自身を除く): 191262596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 61, 70, 75, 84, 100, 105, 122, 140, 150, 175, 183, 210, 244, 300, 305, 350, 366, 420, 427, 525, 610, 631, 700, 732, 854, 915, 1050, 1220, 1262, 1281, 1525, 1708, 1830, 1893, 2100, 2135, 2524, 2562, 3050, 3155, 3660, 3786, 4270, 4417, 4575, 5124, 6100, 6310, 6405, 7572, 8540, 8834, 9150, 9465, 10675, 12620, 12810, 13251, 15775, 17668, 18300, 18930, 21350, 22085, 25620, 26502, 31550, 32025, 37860, 38491, 42700, 44170, 47325, 53004, 63100, 64050, 66255, 76982, 88340, 94650, 110425, 115473, 128100, 132510, 153964, 189300, 192455, 220850, 230946, 265020, 269437, 331275, 384910, 441700, 461892, 538874, 577365, 662550, 769820, 808311, 962275, 1077748, 1154730, 1325100, 1347185, 1616622, 1924550, 2309460, 2694370, 2886825, 3233244, 3849100, 4041555, 5388740, 5773650, 6735925, 8083110, 11547300, 13471850, 16166220, 20207775, 26943700, 40415550, 80831100]

約数ペア:

[(1, 80831100), (2, 40415550), (3, 26943700), (4, 20207775), (5, 16166220), (6, 13471850), (7, 11547300), (10, 8083110), (12, 6735925), (14, 5773650), (15, 5388740), (20, 4041555), (21, 3849100), (25, 3233244), (28, 2886825), (30, 2694370), (35, 2309460), (42, 1924550), (50, 1616622), (60, 1347185), (61, 1325100), (70, 1154730), (75, 1077748), (84, 962275), (100, 808311), (105, 769820), (122, 662550), (140, 577365), (150, 538874), (175, 461892), (183, 441700), (210, 384910), (244, 331275), (300, 269437), (305, 265020), (350, 230946), (366, 220850), (420, 192455), (427, 189300), (525, 153964), (610, 132510), (631, 128100), (700, 115473), (732, 110425), (854, 94650), (915, 88340), (1050, 76982), (1220, 66255), (1262, 64050), (1281, 63100), (1525, 53004), (1708, 47325), (1830, 44170), (1893, 42700), (2100, 38491), (2135, 37860), (2524, 32025), (2562, 31550), (3050, 26502), (3155, 25620), (3660, 22085), (3786, 21350), (4270, 18930), (4417, 18300), (4575, 17668), (5124, 15775), (6100, 13251), (6310, 12810), (6405, 12620), (7572, 10675), (8540, 9465), (8834, 9150)]