77706180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{997}}^1$

素因数の和:1445

約数の個数: 72

約数和(自身を含む): 236490072

約数和(自身を除く): 158783892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 433, 866, 997, 1299, 1732, 1994, 2165, 2598, 2991, 3897, 3988, 4330, 4985, 5196, 5982, 6495, 7794, 8660, 8973, 9970, 11964, 12990, 14955, 15588, 17946, 19485, 19940, 25980, 29910, 35892, 38970, 44865, 59820, 77940, 89730, 179460, 431701, 863402, 1295103, 1726804, 2158505, 2590206, 3885309, 4317010, 5180412, 6475515, 7770618, 8634020, 12951030, 15541236, 19426545, 25902060, 38853090, 77706180]

約数ペア:

[(1, 77706180), (2, 38853090), (3, 25902060), (4, 19426545), (5, 15541236), (6, 12951030), (9, 8634020), (10, 7770618), (12, 6475515), (15, 5180412), (18, 4317010), (20, 3885309), (30, 2590206), (36, 2158505), (45, 1726804), (60, 1295103), (90, 863402), (180, 431701), (433, 179460), (866, 89730), (997, 77940), (1299, 59820), (1732, 44865), (1994, 38970), (2165, 35892), (2598, 29910), (2991, 25980), (3897, 19940), (3988, 19485), (4330, 17946), (4985, 15588), (5196, 14955), (5982, 12990), (6495, 11964), (7794, 9970), (8660, 8973)]