161208840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4493}}^1$

素因数の和:4543

約数の個数: 128

約数和(自身を含む): 543594240

約数和(自身を除く): 382385400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 4493, 5980, 7176, 8970, 8986, 11960, 13479, 17940, 17972, 22465, 26958, 35880, 35944, 44930, 53916, 58409, 67395, 89860, 103339, 107832, 116818, 134790, 175227, 179720, 206678, 233636, 269580, 292045, 310017, 350454, 413356, 467272, 516695, 539160, 584090, 620034, 700908, 826712, 876135, 1033390, 1168180, 1240068, 1343407, 1401816, 1550085, 1752270, 2066780, 2336360, 2480136, 2686814, 3100170, 3504540, 4030221, 4133560, 5373628, 6200340, 6717035, 7009080, 8060442, 10747256, 12400680, 13434070, 16120884, 20151105, 26868140, 32241768, 40302210, 53736280, 80604420, 161208840]

約数ペア:

[(1, 161208840), (2, 80604420), (3, 53736280), (4, 40302210), (5, 32241768), (6, 26868140), (8, 20151105), (10, 16120884), (12, 13434070), (13, 12400680), (15, 10747256), (20, 8060442), (23, 7009080), (24, 6717035), (26, 6200340), (30, 5373628), (39, 4133560), (40, 4030221), (46, 3504540), (52, 3100170), (60, 2686814), (65, 2480136), (69, 2336360), (78, 2066780), (92, 1752270), (104, 1550085), (115, 1401816), (120, 1343407), (130, 1240068), (138, 1168180), (156, 1033390), (184, 876135), (195, 826712), (230, 700908), (260, 620034), (276, 584090), (299, 539160), (312, 516695), (345, 467272), (390, 413356), (460, 350454), (520, 310017), (552, 292045), (598, 269580), (690, 233636), (780, 206678), (897, 179720), (920, 175227), (1196, 134790), (1380, 116818), (1495, 107832), (1560, 103339), (1794, 89860), (2392, 67395), (2760, 58409), (2990, 53916), (3588, 44930), (4485, 35944), (4493, 35880), (5980, 26958), (7176, 22465), (8970, 17972), (8986, 17940), (11960, 13479)]