31202720

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 78744960

約数和(自身を除く): 47542240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 61, 80, 92, 115, 122, 139, 160, 184, 230, 244, 278, 305, 368, 460, 488, 556, 610, 695, 736, 920, 976, 1112, 1220, 1390, 1403, 1840, 1952, 2224, 2440, 2780, 2806, 3197, 3680, 4448, 4880, 5560, 5612, 6394, 7015, 8479, 9760, 11120, 11224, 12788, 14030, 15985, 16958, 22240, 22448, 25576, 28060, 31970, 33916, 42395, 44896, 51152, 56120, 63940, 67832, 84790, 102304, 112240, 127880, 135664, 169580, 195017, 224480, 255760, 271328, 339160, 390034, 511520, 678320, 780068, 975085, 1356640, 1560136, 1950170, 3120272, 3900340, 6240544, 7800680, 15601360, 31202720]

約数ペア:

[(1, 31202720), (2, 15601360), (4, 7800680), (5, 6240544), (8, 3900340), (10, 3120272), (16, 1950170), (20, 1560136), (23, 1356640), (32, 975085), (40, 780068), (46, 678320), (61, 511520), (80, 390034), (92, 339160), (115, 271328), (122, 255760), (139, 224480), (160, 195017), (184, 169580), (230, 135664), (244, 127880), (278, 112240), (305, 102304), (368, 84790), (460, 67832), (488, 63940), (556, 56120), (610, 51152), (695, 44896), (736, 42395), (920, 33916), (976, 31970), (1112, 28060), (1220, 25576), (1390, 22448), (1403, 22240), (1840, 16958), (1952, 15985), (2224, 14030), (2440, 12788), (2780, 11224), (2806, 11120), (3197, 9760), (3680, 8479), (4448, 7015), (4880, 6394), (5560, 5612)]