85543640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:433

約数の個数: 128

約数和(自身を含む): 240952320

約数和(自身を除く): 155408680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 260, 280, 284, 331, 355, 364, 455, 497, 520, 568, 662, 710, 728, 910, 923, 994, 1324, 1420, 1655, 1820, 1846, 1988, 2317, 2485, 2648, 2840, 3310, 3640, 3692, 3976, 4303, 4615, 4634, 4970, 6461, 6620, 7384, 8606, 9230, 9268, 9940, 11585, 12922, 13240, 17212, 18460, 18536, 19880, 21515, 23170, 23501, 25844, 30121, 32305, 34424, 36920, 43030, 46340, 47002, 51688, 60242, 64610, 86060, 92680, 94004, 117505, 120484, 129220, 150605, 164507, 172120, 188008, 235010, 240968, 258440, 301210, 305513, 329014, 470020, 602420, 611026, 658028, 822535, 940040, 1204840, 1222052, 1316056, 1527565, 1645070, 2138591, 2444104, 3055130, 3290140, 4277182, 6110260, 6580280, 8554364, 10692955, 12220520, 17108728, 21385910, 42771820, 85543640]

約数ペア:

[(1, 85543640), (2, 42771820), (4, 21385910), (5, 17108728), (7, 12220520), (8, 10692955), (10, 8554364), (13, 6580280), (14, 6110260), (20, 4277182), (26, 3290140), (28, 3055130), (35, 2444104), (40, 2138591), (52, 1645070), (56, 1527565), (65, 1316056), (70, 1222052), (71, 1204840), (91, 940040), (104, 822535), (130, 658028), (140, 611026), (142, 602420), (182, 470020), (260, 329014), (280, 305513), (284, 301210), (331, 258440), (355, 240968), (364, 235010), (455, 188008), (497, 172120), (520, 164507), (568, 150605), (662, 129220), (710, 120484), (728, 117505), (910, 94004), (923, 92680), (994, 86060), (1324, 64610), (1420, 60242), (1655, 51688), (1820, 47002), (1846, 46340), (1988, 43030), (2317, 36920), (2485, 34424), (2648, 32305), (2840, 30121), (3310, 25844), (3640, 23501), (3692, 23170), (3976, 21515), (4303, 19880), (4615, 18536), (4634, 18460), (4970, 17212), (6461, 13240), (6620, 12922), (7384, 11585), (8606, 9940), (9230, 9268)]