81863160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40129}}^1$

素因数の和:40160

約数の個数: 64

約数和(自身を含む): 260042400

約数和(自身を除く): 178179240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 40129, 80258, 120387, 160516, 200645, 240774, 321032, 401290, 481548, 601935, 682193, 802580, 963096, 1203870, 1364386, 1605160, 2046579, 2407740, 2728772, 3410965, 4093158, 4815480, 5457544, 6821930, 8186316, 10232895, 13643860, 16372632, 20465790, 27287720, 40931580, 81863160]

約数ペア:

[(1, 81863160), (2, 40931580), (3, 27287720), (4, 20465790), (5, 16372632), (6, 13643860), (8, 10232895), (10, 8186316), (12, 6821930), (15, 5457544), (17, 4815480), (20, 4093158), (24, 3410965), (30, 2728772), (34, 2407740), (40, 2046579), (51, 1605160), (60, 1364386), (68, 1203870), (85, 963096), (102, 802580), (120, 682193), (136, 601935), (170, 481548), (204, 401290), (255, 321032), (340, 240774), (408, 200645), (510, 160516), (680, 120387), (1020, 80258), (2040, 40129)]