90520640

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:305

約数の個数: 168

約数和(自身を含む): 262688832

約数和(自身を除く): 172168192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 251, 280, 320, 322, 368, 392, 448, 460, 490, 502, 560, 644, 736, 784, 805, 920, 980, 1004, 1120, 1127, 1255, 1288, 1472, 1568, 1610, 1757, 1840, 1960, 2008, 2240, 2254, 2510, 2576, 3136, 3220, 3514, 3680, 3920, 4016, 4508, 5020, 5152, 5635, 5773, 6440, 7028, 7360, 7840, 8032, 8785, 9016, 10040, 10304, 11270, 11546, 12299, 12880, 14056, 15680, 16064, 17570, 18032, 20080, 22540, 23092, 24598, 25760, 28112, 28865, 35140, 36064, 40160, 40411, 45080, 46184, 49196, 51520, 56224, 57730, 61495, 70280, 72128, 80320, 80822, 90160, 92368, 98392, 112448, 115460, 122990, 140560, 161644, 180320, 184736, 196784, 202055, 230920, 245980, 281120, 282877, 323288, 360640, 369472, 393568, 404110, 461840, 491960, 562240, 565754, 646576, 787136, 808220, 923680, 983920, 1131508, 1293152, 1414385, 1616440, 1847360, 1967840, 2263016, 2586304, 2828770, 3232880, 3935680, 4526032, 5657540, 6465760, 9052064, 11315080, 12931520, 18104128, 22630160, 45260320, 90520640]

約数ペア:

[(1, 90520640), (2, 45260320), (4, 22630160), (5, 18104128), (7, 12931520), (8, 11315080), (10, 9052064), (14, 6465760), (16, 5657540), (20, 4526032), (23, 3935680), (28, 3232880), (32, 2828770), (35, 2586304), (40, 2263016), (46, 1967840), (49, 1847360), (56, 1616440), (64, 1414385), (70, 1293152), (80, 1131508), (92, 983920), (98, 923680), (112, 808220), (115, 787136), (140, 646576), (160, 565754), (161, 562240), (184, 491960), (196, 461840), (224, 404110), (230, 393568), (245, 369472), (251, 360640), (280, 323288), (320, 282877), (322, 281120), (368, 245980), (392, 230920), (448, 202055), (460, 196784), (490, 184736), (502, 180320), (560, 161644), (644, 140560), (736, 122990), (784, 115460), (805, 112448), (920, 98392), (980, 92368), (1004, 90160), (1120, 80822), (1127, 80320), (1255, 72128), (1288, 70280), (1472, 61495), (1568, 57730), (1610, 56224), (1757, 51520), (1840, 49196), (1960, 46184), (2008, 45080), (2240, 40411), (2254, 40160), (2510, 36064), (2576, 35140), (3136, 28865), (3220, 28112), (3514, 25760), (3680, 24598), (3920, 23092), (4016, 22540), (4508, 20080), (5020, 18032), (5152, 17570), (5635, 16064), (5773, 15680), (6440, 14056), (7028, 12880), (7360, 12299), (7840, 11546), (8032, 11270), (8785, 10304), (9016, 10040)]