177678420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{72227}}^1$

素因数の和:72280

約数の個数: 48

約数和(自身を含む): 509640768

約数和(自身を除く): 331962348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 72227, 144454, 216681, 288908, 361135, 433362, 722270, 866724, 1083405, 1444540, 2166810, 2961307, 4333620, 5922614, 8883921, 11845228, 14806535, 17767842, 29613070, 35535684, 44419605, 59226140, 88839210, 177678420]

約数ペア:

[(1, 177678420), (2, 88839210), (3, 59226140), (4, 44419605), (5, 35535684), (6, 29613070), (10, 17767842), (12, 14806535), (15, 11845228), (20, 8883921), (30, 5922614), (41, 4333620), (60, 2961307), (82, 2166810), (123, 1444540), (164, 1083405), (205, 866724), (246, 722270), (410, 433362), (492, 361135), (615, 288908), (820, 216681), (1230, 144454), (2460, 72227)]