66770560

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 178959510

約数和(自身を除く): 112188950

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 272, 289, 304, 320, 323, 340, 361, 380, 544, 578, 608, 640, 646, 680, 722, 760, 1088, 1156, 1216, 1292, 1360, 1444, 1445, 1520, 1615, 1805, 2176, 2312, 2432, 2584, 2720, 2888, 2890, 3040, 3230, 3610, 4624, 5168, 5440, 5491, 5776, 5780, 6080, 6137, 6460, 7220, 9248, 10336, 10880, 10982, 11552, 11560, 12160, 12274, 12920, 14440, 18496, 20672, 21964, 23104, 23120, 24548, 25840, 27455, 28880, 30685, 36992, 41344, 43928, 46208, 46240, 49096, 51680, 54910, 57760, 61370, 87856, 92480, 98192, 103360, 104329, 109820, 115520, 122740, 175712, 184960, 196384, 206720, 208658, 219640, 231040, 245480, 351424, 392768, 417316, 439280, 490960, 521645, 702848, 785536, 834632, 878560, 981920, 1043290, 1669264, 1757120, 1963840, 2086580, 3338528, 3514240, 3927680, 4173160, 6677056, 8346320, 13354112, 16692640, 33385280, 66770560]

約数ペア:

[(1, 66770560), (2, 33385280), (4, 16692640), (5, 13354112), (8, 8346320), (10, 6677056), (16, 4173160), (17, 3927680), (19, 3514240), (20, 3338528), (32, 2086580), (34, 1963840), (38, 1757120), (40, 1669264), (64, 1043290), (68, 981920), (76, 878560), (80, 834632), (85, 785536), (95, 702848), (128, 521645), (136, 490960), (152, 439280), (160, 417316), (170, 392768), (190, 351424), (272, 245480), (289, 231040), (304, 219640), (320, 208658), (323, 206720), (340, 196384), (361, 184960), (380, 175712), (544, 122740), (578, 115520), (608, 109820), (640, 104329), (646, 103360), (680, 98192), (722, 92480), (760, 87856), (1088, 61370), (1156, 57760), (1216, 54910), (1292, 51680), (1360, 49096), (1444, 46240), (1445, 46208), (1520, 43928), (1615, 41344), (1805, 36992), (2176, 30685), (2312, 28880), (2432, 27455), (2584, 25840), (2720, 24548), (2888, 23120), (2890, 23104), (3040, 21964), (3230, 20672), (3610, 18496), (4624, 14440), (5168, 12920), (5440, 12274), (5491, 12160), (5776, 11560), (5780, 11552), (6080, 10982), (6137, 10880), (6460, 10336), (7220, 9248)]