645157072

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{2029}}^1$

素因数の和:2228

約数の個数: 80

約数和(自身を含む): 1522402560

約数和(自身を除く): 877245488

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 167, 238, 272, 334, 476, 668, 952, 1169, 1336, 1904, 2029, 2338, 2672, 2839, 4058, 4676, 5678, 8116, 9352, 11356, 14203, 16232, 18704, 19873, 22712, 28406, 32464, 34493, 39746, 45424, 56812, 68986, 79492, 113624, 137972, 158984, 227248, 241451, 275944, 317968, 338843, 482902, 551888, 677686, 965804, 1355372, 1931608, 2371901, 2710744, 3863216, 4743802, 5421488, 5760331, 9487604, 11520662, 18975208, 23041324, 37950416, 40322317, 46082648, 80644634, 92165296, 161289268, 322578536, 645157072]

約数ペア:

[(1, 645157072), (2, 322578536), (4, 161289268), (7, 92165296), (8, 80644634), (14, 46082648), (16, 40322317), (17, 37950416), (28, 23041324), (34, 18975208), (56, 11520662), (68, 9487604), (112, 5760331), (119, 5421488), (136, 4743802), (167, 3863216), (238, 2710744), (272, 2371901), (334, 1931608), (476, 1355372), (668, 965804), (952, 677686), (1169, 551888), (1336, 482902), (1904, 338843), (2029, 317968), (2338, 275944), (2672, 241451), (2839, 227248), (4058, 158984), (4676, 137972), (5678, 113624), (8116, 79492), (9352, 68986), (11356, 56812), (14203, 45424), (16232, 39746), (18704, 34493), (19873, 32464), (22712, 28406)]