7720245

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 15240960

約数和(自身を除く): 7520715

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 53, 65, 83, 117, 135, 159, 195, 249, 265, 351, 415, 477, 585, 689, 747, 795, 1079, 1245, 1431, 1755, 2067, 2241, 2385, 3237, 3445, 3735, 4399, 5395, 6201, 7155, 9711, 10335, 11205, 13197, 16185, 18603, 21995, 29133, 31005, 39591, 48555, 57187, 65985, 93015, 118773, 145665, 171561, 197955, 285935, 514683, 593865, 857805, 1544049, 2573415, 7720245]

約数ペア:

[(1, 7720245), (3, 2573415), (5, 1544049), (9, 857805), (13, 593865), (15, 514683), (27, 285935), (39, 197955), (45, 171561), (53, 145665), (65, 118773), (83, 93015), (117, 65985), (135, 57187), (159, 48555), (195, 39591), (249, 31005), (265, 29133), (351, 21995), (415, 18603), (477, 16185), (585, 13197), (689, 11205), (747, 10335), (795, 9711), (1079, 7155), (1245, 6201), (1431, 5395), (1755, 4399), (2067, 3735), (2241, 3445), (2385, 3237)]