72770475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 127769600

約数和(自身を除く): 54999125

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 223, 229, 285, 475, 669, 687, 1115, 1145, 1425, 3345, 3435, 4237, 4351, 5575, 5725, 12711, 13053, 16725, 17175, 21185, 21755, 51067, 63555, 65265, 105925, 108775, 153201, 255335, 317775, 326325, 766005, 970273, 1276675, 2910819, 3830025, 4851365, 14554095, 24256825, 72770475]

約数ペア:

[(1, 72770475), (3, 24256825), (5, 14554095), (15, 4851365), (19, 3830025), (25, 2910819), (57, 1276675), (75, 970273), (95, 766005), (223, 326325), (229, 317775), (285, 255335), (475, 153201), (669, 108775), (687, 105925), (1115, 65265), (1145, 63555), (1425, 51067), (3345, 21755), (3435, 21185), (4237, 17175), (4351, 16725), (5575, 13053), (5725, 12711)]