71976640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 112

約数和(自身を含む): 184672224

約数和(自身を除く): 112695584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 101, 131, 136, 160, 170, 202, 262, 272, 320, 340, 404, 505, 524, 544, 655, 680, 808, 1010, 1048, 1088, 1310, 1360, 1616, 1717, 2020, 2096, 2227, 2620, 2720, 3232, 3434, 4040, 4192, 4454, 5240, 5440, 6464, 6868, 8080, 8384, 8585, 8908, 10480, 11135, 13231, 13736, 16160, 17170, 17816, 20960, 22270, 26462, 27472, 32320, 34340, 35632, 41920, 44540, 52924, 54944, 66155, 68680, 71264, 89080, 105848, 109888, 132310, 137360, 142528, 178160, 211696, 224927, 264620, 274720, 356320, 423392, 449854, 529240, 549440, 712640, 846784, 899708, 1058480, 1124635, 1799416, 2116960, 2249270, 3598832, 4233920, 4498540, 7197664, 8997080, 14395328, 17994160, 35988320, 71976640]

約数ペア:

[(1, 71976640), (2, 35988320), (4, 17994160), (5, 14395328), (8, 8997080), (10, 7197664), (16, 4498540), (17, 4233920), (20, 3598832), (32, 2249270), (34, 2116960), (40, 1799416), (64, 1124635), (68, 1058480), (80, 899708), (85, 846784), (101, 712640), (131, 549440), (136, 529240), (160, 449854), (170, 423392), (202, 356320), (262, 274720), (272, 264620), (320, 224927), (340, 211696), (404, 178160), (505, 142528), (524, 137360), (544, 132310), (655, 109888), (680, 105848), (808, 89080), (1010, 71264), (1048, 68680), (1088, 66155), (1310, 54944), (1360, 52924), (1616, 44540), (1717, 41920), (2020, 35632), (2096, 34340), (2227, 32320), (2620, 27472), (2720, 26462), (3232, 22270), (3434, 20960), (4040, 17816), (4192, 17170), (4454, 16160), (5240, 13736), (5440, 13231), (6464, 11135), (6868, 10480), (8080, 8908), (8384, 8585)]