2456415

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:73

約数の個数: 72

約数和(自身を含む): 5138640

約数和(自身を除く): 2682225

約数列:

[1, 3, 5, 9, 13, 15, 17, 19, 39, 45, 51, 57, 65, 85, 95, 117, 153, 169, 171, 195, 221, 247, 255, 285, 323, 507, 585, 663, 741, 765, 845, 855, 969, 1105, 1235, 1521, 1615, 1989, 2223, 2535, 2873, 2907, 3211, 3315, 3705, 4199, 4845, 7605, 8619, 9633, 9945, 11115, 12597, 14365, 14535, 16055, 20995, 25857, 28899, 37791, 43095, 48165, 54587, 62985, 129285, 144495, 163761, 188955, 272935, 491283, 818805, 2456415]

約数ペア:

[(1, 2456415), (3, 818805), (5, 491283), (9, 272935), (13, 188955), (15, 163761), (17, 144495), (19, 129285), (39, 62985), (45, 54587), (51, 48165), (57, 43095), (65, 37791), (85, 28899), (95, 25857), (117, 20995), (153, 16055), (169, 14535), (171, 14365), (195, 12597), (221, 11115), (247, 9945), (255, 9633), (285, 8619), (323, 7605), (507, 4845), (585, 4199), (663, 3705), (741, 3315), (765, 3211), (845, 2907), (855, 2873), (969, 2535), (1105, 2223), (1235, 1989), (1521, 1615)]