15705510920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{1283}}^1$

素因数の和:1995

約数の個数: 128

約数和(自身を含む): 39538160640

約数和(自身を除く): 23832649720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 647, 860, 946, 1283, 1294, 1720, 1892, 2365, 2566, 2588, 3235, 3784, 4730, 5132, 5176, 6415, 6470, 7117, 9460, 10264, 12830, 12940, 14113, 14234, 18920, 25660, 25880, 27821, 28226, 28468, 35585, 51320, 55169, 55642, 56452, 56936, 70565, 71170, 110338, 111284, 112904, 139105, 141130, 142340, 220676, 222568, 275845, 278210, 282260, 284680, 306031, 441352, 551690, 556420, 564520, 606859, 612062, 830101, 1103380, 1112840, 1213718, 1224124, 1530155, 1660202, 2206760, 2427436, 2448248, 3034295, 3060310, 3320404, 4150505, 4854872, 6068590, 6120620, 6640808, 8301010, 9131111, 12137180, 12241240, 16602020, 18262222, 24274360, 33204040, 35694343, 36524444, 45655555, 71388686, 73048888, 91311110, 142777372, 178471715, 182622220, 285554744, 356943430, 365244440, 392637773, 713886860, 785275546, 1427773720, 1570551092, 1963188865, 3141102184, 3926377730, 7852755460, 15705510920]

約数ペア:

[(1, 15705510920), (2, 7852755460), (4, 3926377730), (5, 3141102184), (8, 1963188865), (10, 1570551092), (11, 1427773720), (20, 785275546), (22, 713886860), (40, 392637773), (43, 365244440), (44, 356943430), (55, 285554744), (86, 182622220), (88, 178471715), (110, 142777372), (172, 91311110), (215, 73048888), (220, 71388686), (344, 45655555), (430, 36524444), (440, 35694343), (473, 33204040), (647, 24274360), (860, 18262222), (946, 16602020), (1283, 12241240), (1294, 12137180), (1720, 9131111), (1892, 8301010), (2365, 6640808), (2566, 6120620), (2588, 6068590), (3235, 4854872), (3784, 4150505), (4730, 3320404), (5132, 3060310), (5176, 3034295), (6415, 2448248), (6470, 2427436), (7117, 2206760), (9460, 1660202), (10264, 1530155), (12830, 1224124), (12940, 1213718), (14113, 1112840), (14234, 1103380), (18920, 830101), (25660, 612062), (25880, 606859), (27821, 564520), (28226, 556420), (28468, 551690), (35585, 441352), (51320, 306031), (55169, 284680), (55642, 282260), (56452, 278210), (56936, 275845), (70565, 222568), (71170, 220676), (110338, 142340), (111284, 141130), (112904, 139105)]