278141520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1158923}}^1$

素因数の和:1158939

約数の個数: 40

約数和(自身を含む): 862239456

約数和(自身を除く): 584097936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1158923, 2317846, 3476769, 4635692, 5794615, 6953538, 9271384, 11589230, 13907076, 17383845, 18542768, 23178460, 27814152, 34767690, 46356920, 55628304, 69535380, 92713840, 139070760, 278141520]

約数ペア:

[(1, 278141520), (2, 139070760), (3, 92713840), (4, 69535380), (5, 55628304), (6, 46356920), (8, 34767690), (10, 27814152), (12, 23178460), (15, 18542768), (16, 17383845), (20, 13907076), (24, 11589230), (30, 9271384), (40, 6953538), (48, 5794615), (60, 4635692), (80, 3476769), (120, 2317846), (240, 1158923)]