7991490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 21353472

約数和(自身を除く): 13361982

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 661, 806, 930, 1209, 1322, 1983, 2015, 2418, 3305, 3966, 4030, 6045, 6610, 8593, 9915, 12090, 17186, 19830, 20491, 25779, 40982, 42965, 51558, 61473, 85930, 102455, 122946, 128895, 204910, 257790, 266383, 307365, 532766, 614730, 799149, 1331915, 1598298, 2663830, 3995745, 7991490]

約数ペア:

[(1, 7991490), (2, 3995745), (3, 2663830), (5, 1598298), (6, 1331915), (10, 799149), (13, 614730), (15, 532766), (26, 307365), (30, 266383), (31, 257790), (39, 204910), (62, 128895), (65, 122946), (78, 102455), (93, 85930), (130, 61473), (155, 51558), (186, 42965), (195, 40982), (310, 25779), (390, 20491), (403, 19830), (465, 17186), (661, 12090), (806, 9915), (930, 8593), (1209, 6610), (1322, 6045), (1983, 4030), (2015, 3966), (2418, 3305)]