68729920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:588

約数の個数: 112

約数和(自身を含む): 190487808

約数和(自身を除く): 121757888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 320, 427, 448, 488, 503, 560, 610, 854, 976, 1006, 1120, 1220, 1708, 1952, 2012, 2135, 2240, 2440, 2515, 3416, 3521, 3904, 4024, 4270, 4880, 5030, 6832, 7042, 8048, 8540, 9760, 10060, 13664, 14084, 16096, 17080, 17605, 19520, 20120, 27328, 28168, 30683, 32192, 34160, 35210, 40240, 56336, 61366, 68320, 70420, 80480, 112672, 122732, 136640, 140840, 153415, 160960, 214781, 225344, 245464, 281680, 306830, 429562, 490928, 563360, 613660, 859124, 981856, 1073905, 1126720, 1227320, 1718248, 1963712, 2147810, 2454640, 3436496, 4295620, 4909280, 6872992, 8591240, 9818560, 13745984, 17182480, 34364960, 68729920]

約数ペア:

[(1, 68729920), (2, 34364960), (4, 17182480), (5, 13745984), (7, 9818560), (8, 8591240), (10, 6872992), (14, 4909280), (16, 4295620), (20, 3436496), (28, 2454640), (32, 2147810), (35, 1963712), (40, 1718248), (56, 1227320), (61, 1126720), (64, 1073905), (70, 981856), (80, 859124), (112, 613660), (122, 563360), (140, 490928), (160, 429562), (224, 306830), (244, 281680), (280, 245464), (305, 225344), (320, 214781), (427, 160960), (448, 153415), (488, 140840), (503, 136640), (560, 122732), (610, 112672), (854, 80480), (976, 70420), (1006, 68320), (1120, 61366), (1220, 56336), (1708, 40240), (1952, 35210), (2012, 34160), (2135, 32192), (2240, 30683), (2440, 28168), (2515, 27328), (3416, 20120), (3521, 19520), (3904, 17605), (4024, 17080), (4270, 16096), (4880, 14084), (5030, 13664), (6832, 10060), (7042, 9760), (8048, 8540)]