66999680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:368

約数の個数: 128

約数和(自身を含む): 180956160

約数和(自身を除く): 113956480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 307, 310, 320, 341, 352, 440, 496, 614, 620, 640, 682, 704, 880, 992, 1228, 1240, 1364, 1408, 1535, 1705, 1760, 1984, 2456, 2480, 2728, 3070, 3377, 3410, 3520, 3968, 4912, 4960, 5456, 6140, 6754, 6820, 7040, 9517, 9824, 9920, 10912, 12280, 13508, 13640, 16885, 19034, 19648, 19840, 21824, 24560, 27016, 27280, 33770, 38068, 39296, 43648, 47585, 49120, 54032, 54560, 67540, 76136, 95170, 98240, 104687, 108064, 109120, 135080, 152272, 190340, 196480, 209374, 216128, 218240, 270160, 304544, 380680, 418748, 432256, 523435, 540320, 609088, 761360, 837496, 1046870, 1080640, 1218176, 1522720, 1674992, 2093740, 2161280, 3045440, 3349984, 4187480, 6090880, 6699968, 8374960, 13399936, 16749920, 33499840, 66999680]

約数ペア:

[(1, 66999680), (2, 33499840), (4, 16749920), (5, 13399936), (8, 8374960), (10, 6699968), (11, 6090880), (16, 4187480), (20, 3349984), (22, 3045440), (31, 2161280), (32, 2093740), (40, 1674992), (44, 1522720), (55, 1218176), (62, 1080640), (64, 1046870), (80, 837496), (88, 761360), (110, 609088), (124, 540320), (128, 523435), (155, 432256), (160, 418748), (176, 380680), (220, 304544), (248, 270160), (307, 218240), (310, 216128), (320, 209374), (341, 196480), (352, 190340), (440, 152272), (496, 135080), (614, 109120), (620, 108064), (640, 104687), (682, 98240), (704, 95170), (880, 76136), (992, 67540), (1228, 54560), (1240, 54032), (1364, 49120), (1408, 47585), (1535, 43648), (1705, 39296), (1760, 38068), (1984, 33770), (2456, 27280), (2480, 27016), (2728, 24560), (3070, 21824), (3377, 19840), (3410, 19648), (3520, 19034), (3968, 16885), (4912, 13640), (4960, 13508), (5456, 12280), (6140, 10912), (6754, 9920), (6820, 9824), (7040, 9517)]