81994890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1193}}^1$

素因数の和:1311

約数の個数: 64

約数和(自身を含む): 206323200

約数和(自身を除く): 124328310

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 79, 87, 145, 158, 174, 237, 290, 395, 435, 474, 790, 870, 1185, 1193, 2291, 2370, 2386, 3579, 4582, 5965, 6873, 7158, 11455, 11930, 13746, 17895, 22910, 34365, 34597, 35790, 68730, 69194, 94247, 103791, 172985, 188494, 207582, 282741, 345970, 471235, 518955, 565482, 942470, 1037910, 1413705, 2733163, 2827410, 5466326, 8199489, 13665815, 16398978, 27331630, 40997445, 81994890]

約数ペア:

[(1, 81994890), (2, 40997445), (3, 27331630), (5, 16398978), (6, 13665815), (10, 8199489), (15, 5466326), (29, 2827410), (30, 2733163), (58, 1413705), (79, 1037910), (87, 942470), (145, 565482), (158, 518955), (174, 471235), (237, 345970), (290, 282741), (395, 207582), (435, 188494), (474, 172985), (790, 103791), (870, 94247), (1185, 69194), (1193, 68730), (2291, 35790), (2370, 34597), (2386, 34365), (3579, 22910), (4582, 17895), (5965, 13746), (6873, 11930), (7158, 11455)]