64427760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2081}}^1$

素因数の和:2143

約数の個数: 120

約数和(自身を含む): 221508144

約数和(自身を除く): 157080384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2081, 2580, 3096, 3440, 3870, 4162, 5160, 6192, 6243, 7740, 8324, 10320, 10405, 12486, 15480, 16648, 18729, 20810, 24972, 30960, 31215, 33296, 37458, 41620, 49944, 62430, 74916, 83240, 89483, 93645, 99888, 124860, 149832, 166480, 178966, 187290, 249720, 268449, 299664, 357932, 374580, 447415, 499440, 536898, 715864, 749160, 805347, 894830, 1073796, 1342245, 1431728, 1498320, 1610694, 1789660, 2147592, 2684490, 3221388, 3579320, 4026735, 4295184, 5368980, 6442776, 7158640, 8053470, 10737960, 12885552, 16106940, 21475920, 32213880, 64427760]

約数ペア:

[(1, 64427760), (2, 32213880), (3, 21475920), (4, 16106940), (5, 12885552), (6, 10737960), (8, 8053470), (9, 7158640), (10, 6442776), (12, 5368980), (15, 4295184), (16, 4026735), (18, 3579320), (20, 3221388), (24, 2684490), (30, 2147592), (36, 1789660), (40, 1610694), (43, 1498320), (45, 1431728), (48, 1342245), (60, 1073796), (72, 894830), (80, 805347), (86, 749160), (90, 715864), (120, 536898), (129, 499440), (144, 447415), (172, 374580), (180, 357932), (215, 299664), (240, 268449), (258, 249720), (344, 187290), (360, 178966), (387, 166480), (430, 149832), (516, 124860), (645, 99888), (688, 93645), (720, 89483), (774, 83240), (860, 74916), (1032, 62430), (1290, 49944), (1548, 41620), (1720, 37458), (1935, 33296), (2064, 31215), (2081, 30960), (2580, 24972), (3096, 20810), (3440, 18729), (3870, 16648), (4162, 15480), (5160, 12486), (6192, 10405), (6243, 10320), (7740, 8324)]