82181440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:696

約数の個数: 112

約数和(自身を含む): 219602304

約数和(自身を除く): 137420864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 64, 74, 80, 88, 110, 148, 160, 176, 185, 220, 296, 320, 352, 370, 407, 440, 592, 631, 704, 740, 814, 880, 1184, 1262, 1480, 1628, 1760, 2035, 2368, 2524, 2960, 3155, 3256, 3520, 4070, 5048, 5920, 6310, 6512, 6941, 8140, 10096, 11840, 12620, 13024, 13882, 16280, 20192, 23347, 25240, 26048, 27764, 32560, 34705, 40384, 46694, 50480, 55528, 65120, 69410, 93388, 100960, 111056, 116735, 130240, 138820, 186776, 201920, 222112, 233470, 256817, 277640, 373552, 444224, 466940, 513634, 555280, 747104, 933880, 1027268, 1110560, 1284085, 1494208, 1867760, 2054536, 2221120, 2568170, 3735520, 4109072, 5136340, 7471040, 8218144, 10272680, 16436288, 20545360, 41090720, 82181440]

約数ペア:

[(1, 82181440), (2, 41090720), (4, 20545360), (5, 16436288), (8, 10272680), (10, 8218144), (11, 7471040), (16, 5136340), (20, 4109072), (22, 3735520), (32, 2568170), (37, 2221120), (40, 2054536), (44, 1867760), (55, 1494208), (64, 1284085), (74, 1110560), (80, 1027268), (88, 933880), (110, 747104), (148, 555280), (160, 513634), (176, 466940), (185, 444224), (220, 373552), (296, 277640), (320, 256817), (352, 233470), (370, 222112), (407, 201920), (440, 186776), (592, 138820), (631, 130240), (704, 116735), (740, 111056), (814, 100960), (880, 93388), (1184, 69410), (1262, 65120), (1480, 55528), (1628, 50480), (1760, 46694), (2035, 40384), (2368, 34705), (2524, 32560), (2960, 27764), (3155, 26048), (3256, 25240), (3520, 23347), (4070, 20192), (5048, 16280), (5920, 13882), (6310, 13024), (6512, 12620), (6941, 11840), (8140, 10096)]