212346720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{617}}^1$

素因数の和:877

約数の個数: 144

約数和(自身を含む): 728844480

約数和(自身を除く): 516497760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 239, 240, 288, 360, 478, 480, 617, 717, 720, 956, 1195, 1234, 1434, 1440, 1851, 1912, 2151, 2390, 2468, 2868, 3085, 3585, 3702, 3824, 4302, 4780, 4936, 5553, 5736, 6170, 7170, 7404, 7648, 8604, 9255, 9560, 9872, 10755, 11106, 11472, 12340, 14340, 14808, 17208, 18510, 19120, 19744, 21510, 22212, 22944, 24680, 27765, 28680, 29616, 34416, 37020, 38240, 43020, 44424, 49360, 55530, 57360, 59232, 68832, 74040, 86040, 88848, 98720, 111060, 114720, 147463, 148080, 172080, 177696, 222120, 294926, 296160, 344160, 442389, 444240, 589852, 737315, 884778, 888480, 1179704, 1327167, 1474630, 1769556, 2211945, 2359408, 2654334, 2949260, 3539112, 4423890, 4718816, 5308668, 5898520, 6635835, 7078224, 8847780, 10617336, 11797040, 13271670, 14156448, 17695560, 21234672, 23594080, 26543340, 35391120, 42469344, 53086680, 70782240, 106173360, 212346720]

約数ペア:

[(1, 212346720), (2, 106173360), (3, 70782240), (4, 53086680), (5, 42469344), (6, 35391120), (8, 26543340), (9, 23594080), (10, 21234672), (12, 17695560), (15, 14156448), (16, 13271670), (18, 11797040), (20, 10617336), (24, 8847780), (30, 7078224), (32, 6635835), (36, 5898520), (40, 5308668), (45, 4718816), (48, 4423890), (60, 3539112), (72, 2949260), (80, 2654334), (90, 2359408), (96, 2211945), (120, 1769556), (144, 1474630), (160, 1327167), (180, 1179704), (239, 888480), (240, 884778), (288, 737315), (360, 589852), (478, 444240), (480, 442389), (617, 344160), (717, 296160), (720, 294926), (956, 222120), (1195, 177696), (1234, 172080), (1434, 148080), (1440, 147463), (1851, 114720), (1912, 111060), (2151, 98720), (2390, 88848), (2468, 86040), (2868, 74040), (3085, 68832), (3585, 59232), (3702, 57360), (3824, 55530), (4302, 49360), (4780, 44424), (4936, 43020), (5553, 38240), (5736, 37020), (6170, 34416), (7170, 29616), (7404, 28680), (7648, 27765), (8604, 24680), (9255, 22944), (9560, 22212), (9872, 21510), (10755, 19744), (11106, 19120), (11472, 18510), (12340, 17208), (14340, 14808)]