68545456

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 157450240

約数和(自身を除く): 88904784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 79, 112, 122, 127, 158, 244, 254, 316, 427, 488, 508, 553, 632, 854, 889, 976, 1016, 1106, 1264, 1708, 1778, 2032, 2212, 3416, 3556, 4424, 4819, 6832, 7112, 7747, 8848, 9638, 10033, 14224, 15494, 19276, 20066, 30988, 33733, 38552, 40132, 54229, 61976, 67466, 70231, 77104, 80264, 108458, 123952, 134932, 140462, 160528, 216916, 269864, 280924, 433832, 539728, 561848, 612013, 867664, 1123696, 1224026, 2448052, 4284091, 4896104, 8568182, 9792208, 17136364, 34272728, 68545456]

約数ペア:

[(1, 68545456), (2, 34272728), (4, 17136364), (7, 9792208), (8, 8568182), (14, 4896104), (16, 4284091), (28, 2448052), (56, 1224026), (61, 1123696), (79, 867664), (112, 612013), (122, 561848), (127, 539728), (158, 433832), (244, 280924), (254, 269864), (316, 216916), (427, 160528), (488, 140462), (508, 134932), (553, 123952), (632, 108458), (854, 80264), (889, 77104), (976, 70231), (1016, 67466), (1106, 61976), (1264, 54229), (1708, 40132), (1778, 38552), (2032, 33733), (2212, 30988), (3416, 20066), (3556, 19276), (4424, 15494), (4819, 14224), (6832, 10033), (7112, 9638), (7747, 8848)]