64807600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 180

約数和(自身を含む): 186095728

約数和(自身を除く): 121288128

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 80, 88, 100, 103, 104, 110, 121, 130, 143, 176, 200, 206, 208, 220, 242, 260, 275, 286, 325, 400, 412, 440, 484, 515, 520, 550, 572, 605, 650, 715, 824, 880, 968, 1030, 1040, 1100, 1133, 1144, 1210, 1300, 1339, 1430, 1573, 1648, 1936, 2060, 2200, 2266, 2288, 2420, 2575, 2600, 2678, 2860, 3025, 3146, 3575, 4120, 4400, 4532, 4840, 5150, 5200, 5356, 5665, 5720, 6050, 6292, 6695, 7150, 7865, 8240, 9064, 9680, 10300, 10712, 11330, 11440, 12100, 12463, 12584, 13390, 14300, 14729, 15730, 18128, 20600, 21424, 22660, 24200, 24926, 25168, 26780, 28325, 28600, 29458, 31460, 33475, 39325, 41200, 45320, 48400, 49852, 53560, 56650, 57200, 58916, 62315, 62920, 66950, 73645, 78650, 90640, 99704, 107120, 113300, 117832, 124630, 125840, 133900, 147290, 157300, 162019, 199408, 226600, 235664, 249260, 267800, 294580, 311575, 314600, 324038, 368225, 453200, 498520, 535600, 589160, 623150, 629200, 648076, 736450, 810095, 997040, 1178320, 1246300, 1296152, 1472900, 1620190, 2492600, 2592304, 2945800, 3240380, 4050475, 4985200, 5891600, 6480760, 8100950, 12961520, 16201900, 32403800, 64807600]

約数ペア:

[(1, 64807600), (2, 32403800), (4, 16201900), (5, 12961520), (8, 8100950), (10, 6480760), (11, 5891600), (13, 4985200), (16, 4050475), (20, 3240380), (22, 2945800), (25, 2592304), (26, 2492600), (40, 1620190), (44, 1472900), (50, 1296152), (52, 1246300), (55, 1178320), (65, 997040), (80, 810095), (88, 736450), (100, 648076), (103, 629200), (104, 623150), (110, 589160), (121, 535600), (130, 498520), (143, 453200), (176, 368225), (200, 324038), (206, 314600), (208, 311575), (220, 294580), (242, 267800), (260, 249260), (275, 235664), (286, 226600), (325, 199408), (400, 162019), (412, 157300), (440, 147290), (484, 133900), (515, 125840), (520, 124630), (550, 117832), (572, 113300), (605, 107120), (650, 99704), (715, 90640), (824, 78650), (880, 73645), (968, 66950), (1030, 62920), (1040, 62315), (1100, 58916), (1133, 57200), (1144, 56650), (1210, 53560), (1300, 49852), (1339, 48400), (1430, 45320), (1573, 41200), (1648, 39325), (1936, 33475), (2060, 31460), (2200, 29458), (2266, 28600), (2288, 28325), (2420, 26780), (2575, 25168), (2600, 24926), (2678, 24200), (2860, 22660), (3025, 21424), (3146, 20600), (3575, 18128), (4120, 15730), (4400, 14729), (4532, 14300), (4840, 13390), (5150, 12584), (5200, 12463), (5356, 12100), (5665, 11440), (5720, 11330), (6050, 10712), (6292, 10300), (6695, 9680), (7150, 9064), (7865, 8240)]