78865680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5387}}^1$

素因数の和:5464

約数の個数: 80

約数和(自身を含む): 248537664

約数和(自身を除く): 169671984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3660, 4880, 5387, 7320, 10774, 14640, 16161, 21548, 26935, 32322, 43096, 53870, 64644, 80805, 86192, 107740, 129288, 161610, 215480, 258576, 323220, 328607, 430960, 646440, 657214, 985821, 1292880, 1314428, 1643035, 1971642, 2628856, 3286070, 3943284, 4929105, 5257712, 6572140, 7886568, 9858210, 13144280, 15773136, 19716420, 26288560, 39432840, 78865680]

約数ペア:

[(1, 78865680), (2, 39432840), (3, 26288560), (4, 19716420), (5, 15773136), (6, 13144280), (8, 9858210), (10, 7886568), (12, 6572140), (15, 5257712), (16, 4929105), (20, 3943284), (24, 3286070), (30, 2628856), (40, 1971642), (48, 1643035), (60, 1314428), (61, 1292880), (80, 985821), (120, 657214), (122, 646440), (183, 430960), (240, 328607), (244, 323220), (305, 258576), (366, 215480), (488, 161610), (610, 129288), (732, 107740), (915, 86192), (976, 80805), (1220, 64644), (1464, 53870), (1830, 43096), (2440, 32322), (2928, 26935), (3660, 21548), (4880, 16161), (5387, 14640), (7320, 10774)]