428873920

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:378

約数の個数: 112

約数和(自身を含む): 1052218368

約数和(自身を除く): 623344448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 127, 160, 173, 244, 254, 305, 320, 346, 488, 508, 610, 635, 692, 865, 976, 1016, 1220, 1270, 1384, 1730, 1952, 2032, 2440, 2540, 2768, 3460, 3904, 4064, 4880, 5080, 5536, 6920, 7747, 8128, 9760, 10160, 10553, 11072, 13840, 15494, 19520, 20320, 21106, 21971, 27680, 30988, 38735, 40640, 42212, 43942, 52765, 55360, 61976, 77470, 84424, 87884, 105530, 109855, 123952, 154940, 168848, 175768, 211060, 219710, 247904, 309880, 337696, 351536, 422120, 439420, 495808, 619760, 675392, 703072, 844240, 878840, 1239520, 1340231, 1406144, 1688480, 1757680, 2479040, 2680462, 3376960, 3515360, 5360924, 6701155, 7030720, 10721848, 13402310, 21443696, 26804620, 42887392, 53609240, 85774784, 107218480, 214436960, 428873920]

約数ペア:

[(1, 428873920), (2, 214436960), (4, 107218480), (5, 85774784), (8, 53609240), (10, 42887392), (16, 26804620), (20, 21443696), (32, 13402310), (40, 10721848), (61, 7030720), (64, 6701155), (80, 5360924), (122, 3515360), (127, 3376960), (160, 2680462), (173, 2479040), (244, 1757680), (254, 1688480), (305, 1406144), (320, 1340231), (346, 1239520), (488, 878840), (508, 844240), (610, 703072), (635, 675392), (692, 619760), (865, 495808), (976, 439420), (1016, 422120), (1220, 351536), (1270, 337696), (1384, 309880), (1730, 247904), (1952, 219710), (2032, 211060), (2440, 175768), (2540, 168848), (2768, 154940), (3460, 123952), (3904, 109855), (4064, 105530), (4880, 87884), (5080, 84424), (5536, 77470), (6920, 61976), (7747, 55360), (8128, 52765), (9760, 43942), (10160, 42212), (10553, 40640), (11072, 38735), (13840, 30988), (15494, 27680), (19520, 21971), (20320, 21106)]