16654980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1997}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 46992960

約数和(自身を除く): 30337980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 1997, 2085, 2780, 3994, 4170, 5991, 7988, 8340, 9985, 11982, 19970, 23964, 29955, 39940, 59910, 119820, 277583, 555166, 832749, 1110332, 1387915, 1665498, 2775830, 3330996, 4163745, 5551660, 8327490, 16654980]

約数ペア:

[(1, 16654980), (2, 8327490), (3, 5551660), (4, 4163745), (5, 3330996), (6, 2775830), (10, 1665498), (12, 1387915), (15, 1110332), (20, 832749), (30, 555166), (60, 277583), (139, 119820), (278, 59910), (417, 39940), (556, 29955), (695, 23964), (834, 19970), (1390, 11982), (1668, 9985), (1997, 8340), (2085, 7988), (2780, 5991), (3994, 4170)]