61918380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1801}}^1$

素因数の和:2007

約数の個数: 72

約数和(自身を含む): 188907264

約数和(自身を除く): 126988884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 955, 1146, 1719, 1801, 1910, 2292, 2865, 3438, 3602, 3820, 5403, 5730, 6876, 7204, 8595, 9005, 10806, 11460, 16209, 17190, 18010, 21612, 27015, 32418, 34380, 36020, 54030, 64836, 81045, 108060, 162090, 324180, 343991, 687982, 1031973, 1375964, 1719955, 2063946, 3095919, 3439910, 4127892, 5159865, 6191838, 6879820, 10319730, 12383676, 15479595, 20639460, 30959190, 61918380]

約数ペア:

[(1, 61918380), (2, 30959190), (3, 20639460), (4, 15479595), (5, 12383676), (6, 10319730), (9, 6879820), (10, 6191838), (12, 5159865), (15, 4127892), (18, 3439910), (20, 3095919), (30, 2063946), (36, 1719955), (45, 1375964), (60, 1031973), (90, 687982), (180, 343991), (191, 324180), (382, 162090), (573, 108060), (764, 81045), (955, 64836), (1146, 54030), (1719, 36020), (1801, 34380), (1910, 32418), (2292, 27015), (2865, 21612), (3438, 18010), (3602, 17190), (3820, 16209), (5403, 11460), (5730, 10806), (6876, 9005), (7204, 8595)]