645764856

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7573}}^1$

素因数の和:7629

約数の個数: 128

約数和(自身を含む): 1963180800

約数和(自身を除く): 1317415944

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 19, 22, 24, 33, 34, 38, 44, 51, 57, 66, 68, 76, 88, 102, 114, 132, 136, 152, 187, 204, 209, 228, 264, 323, 374, 408, 418, 456, 561, 627, 646, 748, 836, 969, 1122, 1254, 1292, 1496, 1672, 1938, 2244, 2508, 2584, 3553, 3876, 4488, 5016, 7106, 7573, 7752, 10659, 14212, 15146, 21318, 22719, 28424, 30292, 42636, 45438, 60584, 83303, 85272, 90876, 128741, 143887, 166606, 181752, 249909, 257482, 287774, 333212, 386223, 431661, 499818, 514964, 575548, 666424, 772446, 863322, 999636, 1029928, 1151096, 1416151, 1544892, 1582757, 1726644, 1999272, 2446079, 2832302, 3089784, 3165514, 3453288, 4248453, 4748271, 4892158, 5664604, 6331028, 7338237, 8496906, 9496542, 9784316, 11329208, 12662056, 14676474, 16993812, 18993084, 19568632, 26906869, 29352948, 33987624, 37986168, 53813738, 58705896, 80720607, 107627476, 161441214, 215254952, 322882428, 645764856]

約数ペア:

[(1, 645764856), (2, 322882428), (3, 215254952), (4, 161441214), (6, 107627476), (8, 80720607), (11, 58705896), (12, 53813738), (17, 37986168), (19, 33987624), (22, 29352948), (24, 26906869), (33, 19568632), (34, 18993084), (38, 16993812), (44, 14676474), (51, 12662056), (57, 11329208), (66, 9784316), (68, 9496542), (76, 8496906), (88, 7338237), (102, 6331028), (114, 5664604), (132, 4892158), (136, 4748271), (152, 4248453), (187, 3453288), (204, 3165514), (209, 3089784), (228, 2832302), (264, 2446079), (323, 1999272), (374, 1726644), (408, 1582757), (418, 1544892), (456, 1416151), (561, 1151096), (627, 1029928), (646, 999636), (748, 863322), (836, 772446), (969, 666424), (1122, 575548), (1254, 514964), (1292, 499818), (1496, 431661), (1672, 386223), (1938, 333212), (2244, 287774), (2508, 257482), (2584, 249909), (3553, 181752), (3876, 166606), (4488, 143887), (5016, 128741), (7106, 90876), (7573, 85272), (7752, 83303), (10659, 60584), (14212, 45438), (15146, 42636), (21318, 30292), (22719, 28424)]