30450480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1787}}^1$

素因数の和:1874

約数の個数: 80

約数和(自身を含む): 95779584

約数和(自身を除く): 65329104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 1787, 2130, 2840, 3408, 3574, 4260, 5361, 5680, 7148, 8520, 8935, 10722, 14296, 17040, 17870, 21444, 26805, 28592, 35740, 42888, 53610, 71480, 85776, 107220, 126877, 142960, 214440, 253754, 380631, 428880, 507508, 634385, 761262, 1015016, 1268770, 1522524, 1903155, 2030032, 2537540, 3045048, 3806310, 5075080, 6090096, 7612620, 10150160, 15225240, 30450480]

約数ペア:

[(1, 30450480), (2, 15225240), (3, 10150160), (4, 7612620), (5, 6090096), (6, 5075080), (8, 3806310), (10, 3045048), (12, 2537540), (15, 2030032), (16, 1903155), (20, 1522524), (24, 1268770), (30, 1015016), (40, 761262), (48, 634385), (60, 507508), (71, 428880), (80, 380631), (120, 253754), (142, 214440), (213, 142960), (240, 126877), (284, 107220), (355, 85776), (426, 71480), (568, 53610), (710, 42888), (852, 35740), (1065, 28592), (1136, 26805), (1420, 21444), (1704, 17870), (1787, 17040), (2130, 14296), (2840, 10722), (3408, 8935), (3574, 8520), (4260, 7148), (5361, 5680)]