9821240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 27760320

約数和(自身を除く): 17939080

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 85, 88, 101, 104, 110, 130, 136, 143, 170, 187, 202, 220, 221, 260, 286, 340, 374, 404, 440, 442, 505, 520, 572, 680, 715, 748, 808, 884, 935, 1010, 1105, 1111, 1144, 1313, 1430, 1496, 1717, 1768, 1870, 2020, 2210, 2222, 2431, 2626, 2860, 3434, 3740, 4040, 4420, 4444, 4862, 5252, 5555, 5720, 6565, 6868, 7480, 8585, 8840, 8888, 9724, 10504, 11110, 12155, 13130, 13736, 14443, 17170, 18887, 19448, 22220, 22321, 24310, 26260, 28886, 34340, 37774, 44440, 44642, 48620, 52520, 57772, 68680, 72215, 75548, 89284, 94435, 97240, 111605, 115544, 144430, 151096, 178568, 188870, 223210, 245531, 288860, 377740, 446420, 491062, 577720, 755480, 892840, 982124, 1227655, 1964248, 2455310, 4910620, 9821240]

約数ペア:

[(1, 9821240), (2, 4910620), (4, 2455310), (5, 1964248), (8, 1227655), (10, 982124), (11, 892840), (13, 755480), (17, 577720), (20, 491062), (22, 446420), (26, 377740), (34, 288860), (40, 245531), (44, 223210), (52, 188870), (55, 178568), (65, 151096), (68, 144430), (85, 115544), (88, 111605), (101, 97240), (104, 94435), (110, 89284), (130, 75548), (136, 72215), (143, 68680), (170, 57772), (187, 52520), (202, 48620), (220, 44642), (221, 44440), (260, 37774), (286, 34340), (340, 28886), (374, 26260), (404, 24310), (440, 22321), (442, 22220), (505, 19448), (520, 18887), (572, 17170), (680, 14443), (715, 13736), (748, 13130), (808, 12155), (884, 11110), (935, 10504), (1010, 9724), (1105, 8888), (1111, 8840), (1144, 8585), (1313, 7480), (1430, 6868), (1496, 6565), (1717, 5720), (1768, 5555), (1870, 5252), (2020, 4862), (2210, 4444), (2222, 4420), (2431, 4040), (2626, 3740), (2860, 3434)]