7491289140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{197243}}^1$

素因数の和:197469

約数の個数: 72

約数和(自身を含む): 22831387488

約数和(自身を除く): 15340098348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 6330, 7596, 9495, 12660, 18990, 37980, 197243, 394486, 591729, 788972, 986215, 1183458, 1775187, 1972430, 2366916, 2958645, 3550374, 3944860, 5917290, 7100748, 8875935, 11834580, 17751870, 35503740, 41618273, 83236546, 124854819, 166473092, 208091365, 249709638, 374564457, 416182730, 499419276, 624274095, 749128914, 832365460, 1248548190, 1498257828, 1872822285, 2497096380, 3745644570, 7491289140]

約数ペア:

[(1, 7491289140), (2, 3745644570), (3, 2497096380), (4, 1872822285), (5, 1498257828), (6, 1248548190), (9, 832365460), (10, 749128914), (12, 624274095), (15, 499419276), (18, 416182730), (20, 374564457), (30, 249709638), (36, 208091365), (45, 166473092), (60, 124854819), (90, 83236546), (180, 41618273), (211, 35503740), (422, 17751870), (633, 11834580), (844, 8875935), (1055, 7100748), (1266, 5917290), (1899, 3944860), (2110, 3550374), (2532, 2958645), (3165, 2366916), (3798, 1972430), (4220, 1775187), (6330, 1183458), (7596, 986215), (9495, 788972), (12660, 591729), (18990, 394486), (37980, 197243)]