178982716

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 362270720

約数和(自身を除く): 183288004

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 79, 121, 124, 151, 158, 242, 302, 316, 341, 484, 604, 682, 869, 1364, 1661, 1738, 2449, 3322, 3476, 3751, 4681, 4898, 6644, 7502, 9362, 9559, 9796, 11929, 15004, 18271, 18724, 19118, 23858, 26939, 36542, 38236, 47716, 51491, 53878, 73084, 102982, 107756, 131219, 205964, 262438, 296329, 369799, 524876, 566401, 592658, 739598, 1132802, 1185316, 1443409, 1479196, 2265604, 2886818, 4067789, 5773636, 8135578, 16271156, 44745679, 89491358, 178982716]

約数ペア:

[(1, 178982716), (2, 89491358), (4, 44745679), (11, 16271156), (22, 8135578), (31, 5773636), (44, 4067789), (62, 2886818), (79, 2265604), (121, 1479196), (124, 1443409), (151, 1185316), (158, 1132802), (242, 739598), (302, 592658), (316, 566401), (341, 524876), (484, 369799), (604, 296329), (682, 262438), (869, 205964), (1364, 131219), (1661, 107756), (1738, 102982), (2449, 73084), (3322, 53878), (3476, 51491), (3751, 47716), (4681, 38236), (4898, 36542), (6644, 26939), (7502, 23858), (9362, 19118), (9559, 18724), (9796, 18271), (11929, 15004)]