655123980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{18793}}^1$

素因数の和:18895

約数の個数: 96

約数和(自身を含む): 2121767424

約数和(自身を除く): 1466643444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 415, 420, 498, 581, 830, 996, 1162, 1245, 1660, 1743, 2324, 2490, 2905, 3486, 4980, 5810, 6972, 8715, 11620, 17430, 18793, 34860, 37586, 56379, 75172, 93965, 112758, 131551, 187930, 225516, 263102, 281895, 375860, 394653, 526204, 563790, 657755, 789306, 1127580, 1315510, 1559819, 1578612, 1973265, 2631020, 3119638, 3946530, 4679457, 6239276, 7799095, 7893060, 9358914, 10918733, 15598190, 18717828, 21837466, 23397285, 31196380, 32756199, 43674932, 46794570, 54593665, 65512398, 93589140, 109187330, 131024796, 163780995, 218374660, 327561990, 655123980]

約数ペア:

[(1, 655123980), (2, 327561990), (3, 218374660), (4, 163780995), (5, 131024796), (6, 109187330), (7, 93589140), (10, 65512398), (12, 54593665), (14, 46794570), (15, 43674932), (20, 32756199), (21, 31196380), (28, 23397285), (30, 21837466), (35, 18717828), (42, 15598190), (60, 10918733), (70, 9358914), (83, 7893060), (84, 7799095), (105, 6239276), (140, 4679457), (166, 3946530), (210, 3119638), (249, 2631020), (332, 1973265), (415, 1578612), (420, 1559819), (498, 1315510), (581, 1127580), (830, 789306), (996, 657755), (1162, 563790), (1245, 526204), (1660, 394653), (1743, 375860), (2324, 281895), (2490, 263102), (2905, 225516), (3486, 187930), (4980, 131551), (5810, 112758), (6972, 93965), (8715, 75172), (11620, 56379), (17430, 37586), (18793, 34860)]