71973920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:642

約数の個数: 96

約数和(自身を含む): 184197888

約数和(自身を除く): 112223968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 68, 80, 85, 94, 136, 160, 170, 188, 235, 272, 340, 376, 470, 544, 563, 680, 752, 799, 940, 1126, 1360, 1504, 1598, 1880, 2252, 2720, 2815, 3196, 3760, 3995, 4504, 5630, 6392, 7520, 7990, 9008, 9571, 11260, 12784, 15980, 18016, 19142, 22520, 25568, 26461, 31960, 38284, 45040, 47855, 52922, 63920, 76568, 90080, 95710, 105844, 127840, 132305, 153136, 191420, 211688, 264610, 306272, 382840, 423376, 449837, 529220, 765680, 846752, 899674, 1058440, 1531360, 1799348, 2116880, 2249185, 3598696, 4233760, 4498370, 7197392, 8996740, 14394784, 17993480, 35986960, 71973920]

約数ペア:

[(1, 71973920), (2, 35986960), (4, 17993480), (5, 14394784), (8, 8996740), (10, 7197392), (16, 4498370), (17, 4233760), (20, 3598696), (32, 2249185), (34, 2116880), (40, 1799348), (47, 1531360), (68, 1058440), (80, 899674), (85, 846752), (94, 765680), (136, 529220), (160, 449837), (170, 423376), (188, 382840), (235, 306272), (272, 264610), (340, 211688), (376, 191420), (470, 153136), (544, 132305), (563, 127840), (680, 105844), (752, 95710), (799, 90080), (940, 76568), (1126, 63920), (1360, 52922), (1504, 47855), (1598, 45040), (1880, 38284), (2252, 31960), (2720, 26461), (2815, 25568), (3196, 22520), (3760, 19142), (3995, 18016), (4504, 15980), (5630, 12784), (6392, 11260), (7520, 9571), (7990, 9008)]