717840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{997}}^1$

素因数の和:1016

約数の個数: 60

約数和(自身を含む): 2413164

約数和(自身を除く): 1695324

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 997, 1994, 2991, 3988, 4985, 5982, 7976, 8973, 9970, 11964, 14955, 15952, 17946, 19940, 23928, 29910, 35892, 39880, 44865, 47856, 59820, 71784, 79760, 89730, 119640, 143568, 179460, 239280, 358920, 717840]

約数ペア:

[(1, 717840), (2, 358920), (3, 239280), (4, 179460), (5, 143568), (6, 119640), (8, 89730), (9, 79760), (10, 71784), (12, 59820), (15, 47856), (16, 44865), (18, 39880), (20, 35892), (24, 29910), (30, 23928), (36, 19940), (40, 17946), (45, 15952), (48, 14955), (60, 11964), (72, 9970), (80, 8973), (90, 7976), (120, 5982), (144, 4985), (180, 3988), (240, 2991), (360, 1994), (720, 997)]