81796320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1385

約数の個数: 144

約数和(自身を含む): 285837552

約数和(自身を除く): 204041232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1321, 1376, 1440, 1548, 1720, 1935, 2064, 2580, 2642, 3096, 3440, 3870, 3963, 4128, 5160, 5284, 6192, 6605, 6880, 7740, 7926, 10320, 10568, 11889, 12384, 13210, 15480, 15852, 19815, 20640, 21136, 23778, 26420, 30960, 31704, 39630, 42272, 47556, 52840, 56803, 59445, 61920, 63408, 79260, 95112, 105680, 113606, 118890, 126816, 158520, 170409, 190224, 211360, 227212, 237780, 284015, 317040, 340818, 380448, 454424, 475560, 511227, 568030, 634080, 681636, 852045, 908848, 951120, 1022454, 1136060, 1363272, 1704090, 1817696, 1902240, 2044908, 2272120, 2556135, 2726544, 3408180, 4089816, 4544240, 5112270, 5453088, 6816360, 8179632, 9088480, 10224540, 13632720, 16359264, 20449080, 27265440, 40898160, 81796320]

約数ペア:

[(1, 81796320), (2, 40898160), (3, 27265440), (4, 20449080), (5, 16359264), (6, 13632720), (8, 10224540), (9, 9088480), (10, 8179632), (12, 6816360), (15, 5453088), (16, 5112270), (18, 4544240), (20, 4089816), (24, 3408180), (30, 2726544), (32, 2556135), (36, 2272120), (40, 2044908), (43, 1902240), (45, 1817696), (48, 1704090), (60, 1363272), (72, 1136060), (80, 1022454), (86, 951120), (90, 908848), (96, 852045), (120, 681636), (129, 634080), (144, 568030), (160, 511227), (172, 475560), (180, 454424), (215, 380448), (240, 340818), (258, 317040), (288, 284015), (344, 237780), (360, 227212), (387, 211360), (430, 190224), (480, 170409), (516, 158520), (645, 126816), (688, 118890), (720, 113606), (774, 105680), (860, 95112), (1032, 79260), (1290, 63408), (1321, 61920), (1376, 59445), (1440, 56803), (1548, 52840), (1720, 47556), (1935, 42272), (2064, 39630), (2580, 31704), (2642, 30960), (3096, 26420), (3440, 23778), (3870, 21136), (3963, 20640), (4128, 19815), (5160, 15852), (5284, 15480), (6192, 13210), (6605, 12384), (6880, 11889), (7740, 10568), (7926, 10320)]