80196720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:487

約数の個数: 160

約数和(自身を含む): 268435200

約数和(自身を除く): 188238480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 43, 48, 57, 60, 76, 80, 86, 95, 114, 120, 129, 152, 172, 190, 215, 228, 240, 258, 285, 304, 344, 380, 409, 430, 456, 516, 570, 645, 688, 760, 817, 818, 860, 912, 1032, 1140, 1227, 1290, 1520, 1634, 1636, 1720, 2045, 2064, 2280, 2451, 2454, 2580, 3268, 3272, 3440, 4085, 4090, 4560, 4902, 4908, 5160, 6135, 6536, 6544, 7771, 8170, 8180, 9804, 9816, 10320, 12255, 12270, 13072, 15542, 16340, 16360, 17587, 19608, 19632, 23313, 24510, 24540, 31084, 32680, 32720, 35174, 38855, 39216, 46626, 49020, 49080, 52761, 62168, 65360, 70348, 77710, 87935, 93252, 98040, 98160, 105522, 116565, 124336, 140696, 155420, 175870, 186504, 196080, 211044, 233130, 263805, 281392, 310840, 334153, 351740, 373008, 422088, 466260, 527610, 621680, 668306, 703480, 844176, 932520, 1002459, 1055220, 1336612, 1406960, 1670765, 1865040, 2004918, 2110440, 2673224, 3341530, 4009836, 4220880, 5012295, 5346448, 6683060, 8019672, 10024590, 13366120, 16039344, 20049180, 26732240, 40098360, 80196720]

約数ペア:

[(1, 80196720), (2, 40098360), (3, 26732240), (4, 20049180), (5, 16039344), (6, 13366120), (8, 10024590), (10, 8019672), (12, 6683060), (15, 5346448), (16, 5012295), (19, 4220880), (20, 4009836), (24, 3341530), (30, 2673224), (38, 2110440), (40, 2004918), (43, 1865040), (48, 1670765), (57, 1406960), (60, 1336612), (76, 1055220), (80, 1002459), (86, 932520), (95, 844176), (114, 703480), (120, 668306), (129, 621680), (152, 527610), (172, 466260), (190, 422088), (215, 373008), (228, 351740), (240, 334153), (258, 310840), (285, 281392), (304, 263805), (344, 233130), (380, 211044), (409, 196080), (430, 186504), (456, 175870), (516, 155420), (570, 140696), (645, 124336), (688, 116565), (760, 105522), (817, 98160), (818, 98040), (860, 93252), (912, 87935), (1032, 77710), (1140, 70348), (1227, 65360), (1290, 62168), (1520, 52761), (1634, 49080), (1636, 49020), (1720, 46626), (2045, 39216), (2064, 38855), (2280, 35174), (2451, 32720), (2454, 32680), (2580, 31084), (3268, 24540), (3272, 24510), (3440, 23313), (4085, 19632), (4090, 19608), (4560, 17587), (4902, 16360), (4908, 16340), (5160, 15542), (6135, 13072), (6536, 12270), (6544, 12255), (7771, 10320), (8170, 9816), (8180, 9804)]