81227430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:346

約数の個数: 96

約数和(自身を含む): 219098880

約数和(自身を除く): 137871450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 139, 151, 215, 258, 278, 302, 387, 417, 430, 453, 645, 695, 755, 774, 834, 906, 1251, 1290, 1359, 1390, 1510, 1935, 2085, 2265, 2502, 2718, 3870, 4170, 4530, 5977, 6255, 6493, 6795, 11954, 12510, 12986, 13590, 17931, 19479, 20989, 29885, 32465, 35862, 38958, 41978, 53793, 58437, 59770, 62967, 64930, 89655, 97395, 104945, 107586, 116874, 125934, 179310, 188901, 194790, 209890, 268965, 292185, 314835, 377802, 537930, 584370, 629670, 902527, 944505, 1805054, 1889010, 2707581, 4512635, 5415162, 8122743, 9025270, 13537905, 16245486, 27075810, 40613715, 81227430]

約数ペア:

[(1, 81227430), (2, 40613715), (3, 27075810), (5, 16245486), (6, 13537905), (9, 9025270), (10, 8122743), (15, 5415162), (18, 4512635), (30, 2707581), (43, 1889010), (45, 1805054), (86, 944505), (90, 902527), (129, 629670), (139, 584370), (151, 537930), (215, 377802), (258, 314835), (278, 292185), (302, 268965), (387, 209890), (417, 194790), (430, 188901), (453, 179310), (645, 125934), (695, 116874), (755, 107586), (774, 104945), (834, 97395), (906, 89655), (1251, 64930), (1290, 62967), (1359, 59770), (1390, 58437), (1510, 53793), (1935, 41978), (2085, 38958), (2265, 35862), (2502, 32465), (2718, 29885), (3870, 20989), (4170, 19479), (4530, 17931), (5977, 13590), (6255, 12986), (6493, 12510), (6795, 11954)]