67521280

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 178809120

約数和(自身を除く): 111287840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 107, 116, 128, 136, 145, 160, 170, 214, 232, 256, 272, 290, 320, 340, 428, 464, 493, 535, 544, 580, 640, 680, 856, 928, 986, 1070, 1088, 1160, 1280, 1360, 1712, 1819, 1856, 1972, 2140, 2176, 2320, 2465, 2720, 3103, 3424, 3638, 3712, 3944, 4280, 4352, 4640, 4930, 5440, 6206, 6848, 7276, 7424, 7888, 8560, 9095, 9280, 9860, 10880, 12412, 13696, 14552, 15515, 15776, 17120, 18190, 18560, 19720, 21760, 24824, 27392, 29104, 31030, 31552, 34240, 36380, 37120, 39440, 49648, 52751, 58208, 62060, 63104, 68480, 72760, 78880, 99296, 105502, 116416, 124120, 126208, 136960, 145520, 157760, 198592, 211004, 232832, 248240, 263755, 291040, 315520, 397184, 422008, 465664, 496480, 527510, 582080, 631040, 794368, 844016, 992960, 1055020, 1164160, 1688032, 1985920, 2110040, 2328320, 3376064, 3971840, 4220080, 6752128, 8440160, 13504256, 16880320, 33760640, 67521280]

約数ペア:

[(1, 67521280), (2, 33760640), (4, 16880320), (5, 13504256), (8, 8440160), (10, 6752128), (16, 4220080), (17, 3971840), (20, 3376064), (29, 2328320), (32, 2110040), (34, 1985920), (40, 1688032), (58, 1164160), (64, 1055020), (68, 992960), (80, 844016), (85, 794368), (107, 631040), (116, 582080), (128, 527510), (136, 496480), (145, 465664), (160, 422008), (170, 397184), (214, 315520), (232, 291040), (256, 263755), (272, 248240), (290, 232832), (320, 211004), (340, 198592), (428, 157760), (464, 145520), (493, 136960), (535, 126208), (544, 124120), (580, 116416), (640, 105502), (680, 99296), (856, 78880), (928, 72760), (986, 68480), (1070, 63104), (1088, 62060), (1160, 58208), (1280, 52751), (1360, 49648), (1712, 39440), (1819, 37120), (1856, 36380), (1972, 34240), (2140, 31552), (2176, 31030), (2320, 29104), (2465, 27392), (2720, 24824), (3103, 21760), (3424, 19720), (3638, 18560), (3712, 18190), (3944, 17120), (4280, 15776), (4352, 15515), (4640, 14552), (4930, 13696), (5440, 12412), (6206, 10880), (6848, 9860), (7276, 9280), (7424, 9095), (7888, 8560)]