31607460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1973}}^1$

素因数の和:2077

約数の個数: 72

約数和(自身を含む): 97002360

約数和(自身を除く): 65394900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 1973, 2670, 3204, 3946, 4005, 5340, 5919, 7892, 8010, 9865, 11838, 16020, 17757, 19730, 23676, 29595, 35514, 39460, 59190, 71028, 88785, 118380, 175597, 177570, 351194, 355140, 526791, 702388, 877985, 1053582, 1580373, 1755970, 2107164, 2633955, 3160746, 3511940, 5267910, 6321492, 7901865, 10535820, 15803730, 31607460]

約数ペア:

[(1, 31607460), (2, 15803730), (3, 10535820), (4, 7901865), (5, 6321492), (6, 5267910), (9, 3511940), (10, 3160746), (12, 2633955), (15, 2107164), (18, 1755970), (20, 1580373), (30, 1053582), (36, 877985), (45, 702388), (60, 526791), (89, 355140), (90, 351194), (178, 177570), (180, 175597), (267, 118380), (356, 88785), (445, 71028), (534, 59190), (801, 39460), (890, 35514), (1068, 29595), (1335, 23676), (1602, 19730), (1780, 17757), (1973, 16020), (2670, 11838), (3204, 9865), (3946, 8010), (4005, 7892), (5340, 5919)]