64891872

素因数分解:

$2^5\times 3^2\times {\mathrm{139}}^1\times {\mathrm{1621}}^1$

素因数の和:1776

約数の個数: 72

約数和(自身を含む): 185978520

約数和(自身を除く): 121086648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 139, 144, 278, 288, 417, 556, 834, 1112, 1251, 1621, 1668, 2224, 2502, 3242, 3336, 4448, 4863, 5004, 6484, 6672, 9726, 10008, 12968, 13344, 14589, 19452, 20016, 25936, 29178, 38904, 40032, 51872, 58356, 77808, 116712, 155616, 225319, 233424, 450638, 466848, 675957, 901276, 1351914, 1802552, 2027871, 2703828, 3605104, 4055742, 5407656, 7210208, 8111484, 10815312, 16222968, 21630624, 32445936, 64891872]

約数ペア:

[(1, 64891872), (2, 32445936), (3, 21630624), (4, 16222968), (6, 10815312), (8, 8111484), (9, 7210208), (12, 5407656), (16, 4055742), (18, 3605104), (24, 2703828), (32, 2027871), (36, 1802552), (48, 1351914), (72, 901276), (96, 675957), (139, 466848), (144, 450638), (278, 233424), (288, 225319), (417, 155616), (556, 116712), (834, 77808), (1112, 58356), (1251, 51872), (1621, 40032), (1668, 38904), (2224, 29178), (2502, 25936), (3242, 20016), (3336, 19452), (4448, 14589), (4863, 13344), (5004, 12968), (6484, 10008), (6672, 9726)]