678391785

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 1273708800

約数和(自身を除く): 595317015

約数列:

[1, 3, 5, 9, 15, 23, 45, 53, 69, 83, 115, 149, 159, 207, 249, 265, 345, 415, 447, 477, 745, 747, 795, 1035, 1219, 1245, 1341, 1909, 2235, 2385, 3427, 3657, 3735, 4399, 5727, 6095, 6705, 7897, 9545, 10281, 10971, 12367, 13197, 17135, 17181, 18285, 21995, 23691, 28635, 30843, 37101, 39485, 39591, 51405, 54855, 61835, 65985, 71073, 85905, 101177, 111303, 118455, 154215, 181631, 185505, 197955, 284441, 303531, 355365, 505885, 544893, 556515, 655451, 853323, 908155, 910593, 1422205, 1517655, 1634679, 1966353, 2559969, 2724465, 3277255, 4266615, 4552965, 5899059, 8173395, 9831765, 12799845, 15075373, 29495295, 45226119, 75376865, 135678357, 226130595, 678391785]

約数ペア:

[(1, 678391785), (3, 226130595), (5, 135678357), (9, 75376865), (15, 45226119), (23, 29495295), (45, 15075373), (53, 12799845), (69, 9831765), (83, 8173395), (115, 5899059), (149, 4552965), (159, 4266615), (207, 3277255), (249, 2724465), (265, 2559969), (345, 1966353), (415, 1634679), (447, 1517655), (477, 1422205), (745, 910593), (747, 908155), (795, 853323), (1035, 655451), (1219, 556515), (1245, 544893), (1341, 505885), (1909, 355365), (2235, 303531), (2385, 284441), (3427, 197955), (3657, 185505), (3735, 181631), (4399, 154215), (5727, 118455), (6095, 111303), (6705, 101177), (7897, 85905), (9545, 71073), (10281, 65985), (10971, 61835), (12367, 54855), (13197, 51405), (17135, 39591), (17181, 39485), (18285, 37101), (21995, 30843), (23691, 28635)]