68349280

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 168739200

約数和(自身を除く): 100389920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 61, 80, 94, 122, 149, 160, 188, 235, 244, 298, 305, 376, 470, 488, 596, 610, 745, 752, 940, 976, 1192, 1220, 1490, 1504, 1880, 1952, 2384, 2440, 2867, 2980, 3760, 4768, 4880, 5734, 5960, 7003, 7520, 9089, 9760, 11468, 11920, 14006, 14335, 18178, 22936, 23840, 28012, 28670, 35015, 36356, 45445, 45872, 56024, 57340, 70030, 72712, 90890, 91744, 112048, 114680, 140060, 145424, 181780, 224096, 229360, 280120, 290848, 363560, 427183, 458720, 560240, 727120, 854366, 1120480, 1454240, 1708732, 2135915, 3417464, 4271830, 6834928, 8543660, 13669856, 17087320, 34174640, 68349280]

約数ペア:

[(1, 68349280), (2, 34174640), (4, 17087320), (5, 13669856), (8, 8543660), (10, 6834928), (16, 4271830), (20, 3417464), (32, 2135915), (40, 1708732), (47, 1454240), (61, 1120480), (80, 854366), (94, 727120), (122, 560240), (149, 458720), (160, 427183), (188, 363560), (235, 290848), (244, 280120), (298, 229360), (305, 224096), (376, 181780), (470, 145424), (488, 140060), (596, 114680), (610, 112048), (745, 91744), (752, 90890), (940, 72712), (976, 70030), (1192, 57340), (1220, 56024), (1490, 45872), (1504, 45445), (1880, 36356), (1952, 35015), (2384, 28670), (2440, 28012), (2867, 23840), (2980, 22936), (3760, 18178), (4768, 14335), (4880, 14006), (5734, 11920), (5960, 11468), (7003, 9760), (7520, 9089)]