661299720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{743}}^1\times {\mathrm{7417}}^1$

素因数の和:8174

約数の個数: 64

約数和(自身を含む): 1986837120

約数和(自身を除く): 1325537400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 743, 1486, 2229, 2972, 3715, 4458, 5944, 7417, 7430, 8916, 11145, 14834, 14860, 17832, 22251, 22290, 29668, 29720, 37085, 44502, 44580, 59336, 74170, 89004, 89160, 111255, 148340, 178008, 222510, 296680, 445020, 890040, 5510831, 11021662, 16532493, 22043324, 27554155, 33064986, 44086648, 55108310, 66129972, 82662465, 110216620, 132259944, 165324930, 220433240, 330649860, 661299720]

約数ペア:

[(1, 661299720), (2, 330649860), (3, 220433240), (4, 165324930), (5, 132259944), (6, 110216620), (8, 82662465), (10, 66129972), (12, 55108310), (15, 44086648), (20, 33064986), (24, 27554155), (30, 22043324), (40, 16532493), (60, 11021662), (120, 5510831), (743, 890040), (1486, 445020), (2229, 296680), (2972, 222510), (3715, 178008), (4458, 148340), (5944, 111255), (7417, 89160), (7430, 89004), (8916, 74170), (11145, 59336), (14834, 44580), (14860, 44502), (17832, 37085), (22251, 29720), (22290, 29668)]