65517840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{90997}}^1$

素因数の和:91016

約数の個数: 60

約数和(自身を含む): 220033164

約数和(自身を除く): 154515324

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, 90997, 181994, 272991, 363988, 454985, 545982, 727976, 818973, 909970, 1091964, 1364955, 1455952, 1637946, 1819940, 2183928, 2729910, 3275892, 3639880, 4094865, 4367856, 5459820, 6551784, 7279760, 8189730, 10919640, 13103568, 16379460, 21839280, 32758920, 65517840]

約数ペア:

[(1, 65517840), (2, 32758920), (3, 21839280), (4, 16379460), (5, 13103568), (6, 10919640), (8, 8189730), (9, 7279760), (10, 6551784), (12, 5459820), (15, 4367856), (16, 4094865), (18, 3639880), (20, 3275892), (24, 2729910), (30, 2183928), (36, 1819940), (40, 1637946), (45, 1455952), (48, 1364955), (60, 1091964), (72, 909970), (80, 818973), (90, 727976), (120, 545982), (144, 454985), (180, 363988), (240, 272991), (360, 181994), (720, 90997)]