71519280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42571}}^1$

素因数の和:42594

約数の個数: 80

約数和(自身を含む): 253388544

約数和(自身を除く): 181869264

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, 42571, 85142, 127713, 170284, 212855, 255426, 297997, 340568, 425710, 510852, 595994, 638565, 681136, 851420, 893991, 1021704, 1191988, 1277130, 1489985, 1702840, 1787982, 2043408, 2383976, 2554260, 2979970, 3405680, 3575964, 4469955, 4767952, 5108520, 5959940, 7151928, 8939910, 10217040, 11919880, 14303856, 17879820, 23839760, 35759640, 71519280]

約数ペア:

[(1, 71519280), (2, 35759640), (3, 23839760), (4, 17879820), (5, 14303856), (6, 11919880), (7, 10217040), (8, 8939910), (10, 7151928), (12, 5959940), (14, 5108520), (15, 4767952), (16, 4469955), (20, 3575964), (21, 3405680), (24, 2979970), (28, 2554260), (30, 2383976), (35, 2043408), (40, 1787982), (42, 1702840), (48, 1489985), (56, 1277130), (60, 1191988), (70, 1021704), (80, 893991), (84, 851420), (105, 681136), (112, 638565), (120, 595994), (140, 510852), (168, 425710), (210, 340568), (240, 297997), (280, 255426), (336, 212855), (420, 170284), (560, 127713), (840, 85142), (1680, 42571)]