1245120640

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{337}}^1$

素因数の和:630

約数の個数: 128

約数和(自身を含む): 3127662720

約数和(自身を除く): 1882542080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 251, 320, 337, 368, 460, 502, 640, 674, 736, 920, 1004, 1255, 1348, 1472, 1685, 1840, 2008, 2510, 2696, 2944, 3370, 3680, 4016, 5020, 5392, 5773, 6740, 7360, 7751, 8032, 10040, 10784, 11546, 13480, 14720, 15502, 16064, 20080, 21568, 23092, 26960, 28865, 31004, 32128, 38755, 40160, 43136, 46184, 53920, 57730, 62008, 77510, 80320, 84587, 92368, 107840, 115460, 124016, 155020, 160640, 169174, 184736, 215680, 230920, 248032, 310040, 338348, 369472, 422935, 461840, 496064, 620080, 676696, 738944, 845870, 923680, 992128, 1240160, 1353392, 1691740, 1847360, 1945501, 2480320, 2706784, 3383480, 3694720, 3891002, 4960640, 5413568, 6766960, 7782004, 9727505, 10827136, 13533920, 15564008, 19455010, 27067840, 31128016, 38910020, 54135680, 62256032, 77820040, 124512064, 155640080, 249024128, 311280160, 622560320, 1245120640]

約数ペア:

[(1, 1245120640), (2, 622560320), (4, 311280160), (5, 249024128), (8, 155640080), (10, 124512064), (16, 77820040), (20, 62256032), (23, 54135680), (32, 38910020), (40, 31128016), (46, 27067840), (64, 19455010), (80, 15564008), (92, 13533920), (115, 10827136), (128, 9727505), (160, 7782004), (184, 6766960), (230, 5413568), (251, 4960640), (320, 3891002), (337, 3694720), (368, 3383480), (460, 2706784), (502, 2480320), (640, 1945501), (674, 1847360), (736, 1691740), (920, 1353392), (1004, 1240160), (1255, 992128), (1348, 923680), (1472, 845870), (1685, 738944), (1840, 676696), (2008, 620080), (2510, 496064), (2696, 461840), (2944, 422935), (3370, 369472), (3680, 338348), (4016, 310040), (5020, 248032), (5392, 230920), (5773, 215680), (6740, 184736), (7360, 169174), (7751, 160640), (8032, 155020), (10040, 124016), (10784, 115460), (11546, 107840), (13480, 92368), (14720, 84587), (15502, 80320), (16064, 77510), (20080, 62008), (21568, 57730), (23092, 53920), (26960, 46184), (28865, 43136), (31004, 40160), (32128, 38755)]