65663160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:717

約数の個数: 128

約数和(自身を含む): 211438080

約数和(自身を除く): 145774920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 276, 296, 345, 370, 444, 460, 552, 555, 643, 690, 740, 851, 888, 920, 1110, 1286, 1380, 1480, 1702, 1929, 2220, 2553, 2572, 2760, 3215, 3404, 3858, 4255, 4440, 5106, 5144, 6430, 6808, 7716, 8510, 9645, 10212, 12765, 12860, 14789, 15432, 17020, 19290, 20424, 23791, 25530, 25720, 29578, 34040, 38580, 44367, 47582, 51060, 59156, 71373, 73945, 77160, 88734, 95164, 102120, 118312, 118955, 142746, 147890, 177468, 190328, 221835, 237910, 285492, 295780, 354936, 356865, 443670, 475820, 547193, 570984, 591560, 713730, 887340, 951640, 1094386, 1427460, 1641579, 1774680, 2188772, 2735965, 2854920, 3283158, 4377544, 5471930, 6566316, 8207895, 10943860, 13132632, 16415790, 21887720, 32831580, 65663160]

約数ペア:

[(1, 65663160), (2, 32831580), (3, 21887720), (4, 16415790), (5, 13132632), (6, 10943860), (8, 8207895), (10, 6566316), (12, 5471930), (15, 4377544), (20, 3283158), (23, 2854920), (24, 2735965), (30, 2188772), (37, 1774680), (40, 1641579), (46, 1427460), (60, 1094386), (69, 951640), (74, 887340), (92, 713730), (111, 591560), (115, 570984), (120, 547193), (138, 475820), (148, 443670), (184, 356865), (185, 354936), (222, 295780), (230, 285492), (276, 237910), (296, 221835), (345, 190328), (370, 177468), (444, 147890), (460, 142746), (552, 118955), (555, 118312), (643, 102120), (690, 95164), (740, 88734), (851, 77160), (888, 73945), (920, 71373), (1110, 59156), (1286, 51060), (1380, 47582), (1480, 44367), (1702, 38580), (1929, 34040), (2220, 29578), (2553, 25720), (2572, 25530), (2760, 23791), (3215, 20424), (3404, 19290), (3858, 17020), (4255, 15432), (4440, 14789), (5106, 12860), (5144, 12765), (6430, 10212), (6808, 9645), (7716, 8510)]