1621710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 4339296

約数和(自身を除く): 2717586

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 487, 555, 666, 974, 1110, 1461, 1665, 2435, 2922, 3330, 4383, 4870, 7305, 8766, 14610, 18019, 21915, 36038, 43830, 54057, 90095, 108114, 162171, 180190, 270285, 324342, 540570, 810855, 1621710]

約数ペア:

[(1, 1621710), (2, 810855), (3, 540570), (5, 324342), (6, 270285), (9, 180190), (10, 162171), (15, 108114), (18, 90095), (30, 54057), (37, 43830), (45, 36038), (74, 21915), (90, 18019), (111, 14610), (185, 8766), (222, 7305), (333, 4870), (370, 4383), (487, 3330), (555, 2922), (666, 2435), (974, 1665), (1110, 1461)]