721204920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{37799}}^1$

素因数の和:37869

約数の個数: 96

約数和(自身を含む): 2388204000

約数和(自身を除く): 1666999080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 159, 180, 212, 265, 318, 360, 424, 477, 530, 636, 795, 954, 1060, 1272, 1590, 1908, 2120, 2385, 3180, 3816, 4770, 6360, 9540, 19080, 37799, 75598, 113397, 151196, 188995, 226794, 302392, 340191, 377990, 453588, 566985, 680382, 755980, 907176, 1133970, 1360764, 1511960, 1700955, 2003347, 2267940, 2721528, 3401910, 4006694, 4535880, 6010041, 6803820, 8013388, 10016735, 12020082, 13607640, 16026776, 18030123, 20033470, 24040164, 30050205, 36060246, 40066940, 48080328, 60100410, 72120492, 80133880, 90150615, 120200820, 144240984, 180301230, 240401640, 360602460, 721204920]

約数ペア:

[(1, 721204920), (2, 360602460), (3, 240401640), (4, 180301230), (5, 144240984), (6, 120200820), (8, 90150615), (9, 80133880), (10, 72120492), (12, 60100410), (15, 48080328), (18, 40066940), (20, 36060246), (24, 30050205), (30, 24040164), (36, 20033470), (40, 18030123), (45, 16026776), (53, 13607640), (60, 12020082), (72, 10016735), (90, 8013388), (106, 6803820), (120, 6010041), (159, 4535880), (180, 4006694), (212, 3401910), (265, 2721528), (318, 2267940), (360, 2003347), (424, 1700955), (477, 1511960), (530, 1360764), (636, 1133970), (795, 907176), (954, 755980), (1060, 680382), (1272, 566985), (1590, 453588), (1908, 377990), (2120, 340191), (2385, 302392), (3180, 226794), (3816, 188995), (4770, 151196), (6360, 113397), (9540, 75598), (19080, 37799)]