68726680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1433}}^1$

素因数の和:1564

約数の個数: 64

約数和(自身を含む): 170359200

約数和(自身を除く): 101632520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1199, 1433, 2180, 2398, 2866, 4360, 4796, 5732, 5995, 7165, 9592, 11464, 11990, 14330, 15763, 23980, 28660, 31526, 47960, 57320, 63052, 78815, 126104, 156197, 157630, 312394, 315260, 624788, 630520, 780985, 1249576, 1561970, 1718167, 3123940, 3436334, 6247880, 6872668, 8590835, 13745336, 17181670, 34363340, 68726680]

約数ペア:

[(1, 68726680), (2, 34363340), (4, 17181670), (5, 13745336), (8, 8590835), (10, 6872668), (11, 6247880), (20, 3436334), (22, 3123940), (40, 1718167), (44, 1561970), (55, 1249576), (88, 780985), (109, 630520), (110, 624788), (218, 315260), (220, 312394), (436, 157630), (440, 156197), (545, 126104), (872, 78815), (1090, 63052), (1199, 57320), (1433, 47960), (2180, 31526), (2398, 28660), (2866, 23980), (4360, 15763), (4796, 14330), (5732, 11990), (5995, 11464), (7165, 9592)]