12961520

素因数分解:

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

素因数の和:151

約数の個数: 120

約数和(自身を含む): 36018528

約数和(自身を除く): 23057008

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 103, 104, 110, 121, 130, 143, 176, 206, 208, 220, 242, 260, 286, 412, 440, 484, 515, 520, 572, 605, 715, 824, 880, 968, 1030, 1040, 1133, 1144, 1210, 1339, 1430, 1573, 1648, 1936, 2060, 2266, 2288, 2420, 2678, 2860, 3146, 4120, 4532, 4840, 5356, 5665, 5720, 6292, 6695, 7865, 8240, 9064, 9680, 10712, 11330, 11440, 12463, 12584, 13390, 14729, 15730, 18128, 21424, 22660, 24926, 25168, 26780, 29458, 31460, 45320, 49852, 53560, 58916, 62315, 62920, 73645, 90640, 99704, 107120, 117832, 124630, 125840, 147290, 162019, 199408, 235664, 249260, 294580, 324038, 498520, 589160, 648076, 810095, 997040, 1178320, 1296152, 1620190, 2592304, 3240380, 6480760, 12961520]

約数ペア:

[(1, 12961520), (2, 6480760), (4, 3240380), (5, 2592304), (8, 1620190), (10, 1296152), (11, 1178320), (13, 997040), (16, 810095), (20, 648076), (22, 589160), (26, 498520), (40, 324038), (44, 294580), (52, 249260), (55, 235664), (65, 199408), (80, 162019), (88, 147290), (103, 125840), (104, 124630), (110, 117832), (121, 107120), (130, 99704), (143, 90640), (176, 73645), (206, 62920), (208, 62315), (220, 58916), (242, 53560), (260, 49852), (286, 45320), (412, 31460), (440, 29458), (484, 26780), (515, 25168), (520, 24926), (572, 22660), (605, 21424), (715, 18128), (824, 15730), (880, 14729), (968, 13390), (1030, 12584), (1040, 12463), (1133, 11440), (1144, 11330), (1210, 10712), (1339, 9680), (1430, 9064), (1573, 8240), (1648, 7865), (1936, 6695), (2060, 6292), (2266, 5720), (2288, 5665), (2420, 5356), (2678, 4840), (2860, 4532), (3146, 4120)]