320921920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 224

約数和(自身を含む): 916448256

約数和(自身を除く): 595526336

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 31, 32, 34, 40, 44, 55, 62, 64, 68, 80, 85, 88, 110, 124, 136, 155, 160, 170, 173, 176, 187, 220, 248, 272, 310, 320, 340, 341, 346, 352, 374, 440, 496, 527, 544, 620, 680, 682, 692, 704, 748, 865, 880, 935, 992, 1054, 1088, 1240, 1360, 1364, 1384, 1496, 1705, 1730, 1760, 1870, 1903, 1984, 2108, 2480, 2635, 2720, 2728, 2768, 2941, 2992, 3410, 3460, 3520, 3740, 3806, 4216, 4960, 5270, 5363, 5440, 5456, 5536, 5797, 5882, 5984, 6820, 6920, 7480, 7612, 8432, 9515, 9920, 10540, 10726, 10912, 11072, 11594, 11764, 11968, 13640, 13840, 14705, 14960, 15224, 16864, 19030, 21080, 21452, 21824, 23188, 23528, 26815, 27280, 27680, 28985, 29410, 29920, 30448, 32351, 33728, 38060, 42160, 42904, 46376, 47056, 53630, 54560, 55360, 57970, 58820, 58993, 59840, 60896, 64702, 76120, 84320, 85808, 91171, 92752, 94112, 107260, 109120, 115940, 117640, 117986, 121792, 129404, 152240, 161755, 168640, 171616, 182342, 185504, 188224, 214520, 231880, 235280, 235972, 258808, 294965, 304480, 323510, 343232, 364684, 371008, 429040, 455855, 463760, 470560, 471944, 517616, 589930, 608960, 647020, 729368, 858080, 911710, 927520, 941120, 943888, 1002881, 1035232, 1179860, 1294040, 1458736, 1716160, 1823420, 1855040, 1887776, 2005762, 2070464, 2359720, 2588080, 2917472, 3646840, 3775552, 4011524, 4719440, 5014405, 5176160, 5834944, 7293680, 8023048, 9438880, 10028810, 10352320, 14587360, 16046096, 18877760, 20057620, 29174720, 32092192, 40115240, 64184384, 80230480, 160460960, 320921920]

約数ペア:

[(1, 320921920), (2, 160460960), (4, 80230480), (5, 64184384), (8, 40115240), (10, 32092192), (11, 29174720), (16, 20057620), (17, 18877760), (20, 16046096), (22, 14587360), (31, 10352320), (32, 10028810), (34, 9438880), (40, 8023048), (44, 7293680), (55, 5834944), (62, 5176160), (64, 5014405), (68, 4719440), (80, 4011524), (85, 3775552), (88, 3646840), (110, 2917472), (124, 2588080), (136, 2359720), (155, 2070464), (160, 2005762), (170, 1887776), (173, 1855040), (176, 1823420), (187, 1716160), (220, 1458736), (248, 1294040), (272, 1179860), (310, 1035232), (320, 1002881), (340, 943888), (341, 941120), (346, 927520), (352, 911710), (374, 858080), (440, 729368), (496, 647020), (527, 608960), (544, 589930), (620, 517616), (680, 471944), (682, 470560), (692, 463760), (704, 455855), (748, 429040), (865, 371008), (880, 364684), (935, 343232), (992, 323510), (1054, 304480), (1088, 294965), (1240, 258808), (1360, 235972), (1364, 235280), (1384, 231880), (1496, 214520), (1705, 188224), (1730, 185504), (1760, 182342), (1870, 171616), (1903, 168640), (1984, 161755), (2108, 152240), (2480, 129404), (2635, 121792), (2720, 117986), (2728, 117640), (2768, 115940), (2941, 109120), (2992, 107260), (3410, 94112), (3460, 92752), (3520, 91171), (3740, 85808), (3806, 84320), (4216, 76120), (4960, 64702), (5270, 60896), (5363, 59840), (5440, 58993), (5456, 58820), (5536, 57970), (5797, 55360), (5882, 54560), (5984, 53630), (6820, 47056), (6920, 46376), (7480, 42904), (7612, 42160), (8432, 38060), (9515, 33728), (9920, 32351), (10540, 30448), (10726, 29920), (10912, 29410), (11072, 28985), (11594, 27680), (11764, 27280), (11968, 26815), (13640, 23528), (13840, 23188), (14705, 21824), (14960, 21452), (15224, 21080), (16864, 19030)]