71398320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42499}}^1$

素因数の和:42522

約数の個数: 80

約数和(自身を含む): 252960000

約数和(自身を除く): 181561680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 42499, 84998, 127497, 169996, 212495, 254994, 297493, 339992, 424990, 509988, 594986, 637485, 679984, 849980, 892479, 1019976, 1189972, 1274970, 1487465, 1699960, 1784958, 2039952, 2379944, 2549940, 2974930, 3399920, 3569916, 4462395, 4759888, 5099880, 5949860, 7139832, 8924790, 10199760, 11899720, 14279664, 17849580, 23799440, 35699160, 71398320]

約数ペア:

[(1, 71398320), (2, 35699160), (3, 23799440), (4, 17849580), (5, 14279664), (6, 11899720), (7, 10199760), (8, 8924790), (10, 7139832), (12, 5949860), (14, 5099880), (15, 4759888), (16, 4462395), (20, 3569916), (21, 3399920), (24, 2974930), (28, 2549940), (30, 2379944), (35, 2039952), (40, 1784958), (42, 1699960), (48, 1487465), (56, 1274970), (60, 1189972), (70, 1019976), (80, 892479), (84, 849980), (105, 679984), (112, 637485), (120, 594986), (140, 509988), (168, 424990), (210, 339992), (240, 297493), (280, 254994), (336, 212495), (420, 169996), (560, 127497), (840, 84998), (1680, 42499)]