82688480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 144

約数和(自身を含む): 232696800

約数和(自身を除く): 150008320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 140, 160, 196, 199, 212, 224, 245, 265, 280, 371, 392, 398, 424, 490, 530, 560, 742, 784, 796, 848, 980, 995, 1060, 1120, 1393, 1484, 1568, 1592, 1696, 1855, 1960, 1990, 2120, 2597, 2786, 2968, 3184, 3710, 3920, 3980, 4240, 5194, 5572, 5936, 6368, 6965, 7420, 7840, 7960, 8480, 9751, 10388, 10547, 11144, 11872, 12985, 13930, 14840, 15920, 19502, 20776, 21094, 22288, 25970, 27860, 29680, 31840, 39004, 41552, 42188, 44576, 48755, 51940, 52735, 55720, 59360, 73829, 78008, 83104, 84376, 97510, 103880, 105470, 111440, 147658, 156016, 168752, 195020, 207760, 210940, 222880, 295316, 312032, 337504, 369145, 390040, 415520, 421880, 516803, 590632, 738290, 780080, 843760, 1033606, 1181264, 1476580, 1560160, 1687520, 2067212, 2362528, 2584015, 2953160, 4134424, 5168030, 5906320, 8268848, 10336060, 11812640, 16537696, 20672120, 41344240, 82688480]

約数ペア:

[(1, 82688480), (2, 41344240), (4, 20672120), (5, 16537696), (7, 11812640), (8, 10336060), (10, 8268848), (14, 5906320), (16, 5168030), (20, 4134424), (28, 2953160), (32, 2584015), (35, 2362528), (40, 2067212), (49, 1687520), (53, 1560160), (56, 1476580), (70, 1181264), (80, 1033606), (98, 843760), (106, 780080), (112, 738290), (140, 590632), (160, 516803), (196, 421880), (199, 415520), (212, 390040), (224, 369145), (245, 337504), (265, 312032), (280, 295316), (371, 222880), (392, 210940), (398, 207760), (424, 195020), (490, 168752), (530, 156016), (560, 147658), (742, 111440), (784, 105470), (796, 103880), (848, 97510), (980, 84376), (995, 83104), (1060, 78008), (1120, 73829), (1393, 59360), (1484, 55720), (1568, 52735), (1592, 51940), (1696, 48755), (1855, 44576), (1960, 42188), (1990, 41552), (2120, 39004), (2597, 31840), (2786, 29680), (2968, 27860), (3184, 25970), (3710, 22288), (3920, 21094), (3980, 20776), (4240, 19502), (5194, 15920), (5572, 14840), (5936, 13930), (6368, 12985), (6965, 11872), (7420, 11144), (7840, 10547), (7960, 10388), (8480, 9751)]