71808240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42743}}^1$

素因数の和:42766

約数の個数: 80

約数和(自身を含む): 254412288

約数和(自身を除く): 182604048

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, 42743, 85486, 128229, 170972, 213715, 256458, 299201, 341944, 427430, 512916, 598402, 641145, 683888, 854860, 897603, 1025832, 1196804, 1282290, 1496005, 1709720, 1795206, 2051664, 2393608, 2564580, 2992010, 3419440, 3590412, 4488015, 4787216, 5129160, 5984020, 7180824, 8976030, 10258320, 11968040, 14361648, 17952060, 23936080, 35904120, 71808240]

約数ペア:

[(1, 71808240), (2, 35904120), (3, 23936080), (4, 17952060), (5, 14361648), (6, 11968040), (7, 10258320), (8, 8976030), (10, 7180824), (12, 5984020), (14, 5129160), (15, 4787216), (16, 4488015), (20, 3590412), (21, 3419440), (24, 2992010), (28, 2564580), (30, 2393608), (35, 2051664), (40, 1795206), (42, 1709720), (48, 1496005), (56, 1282290), (60, 1196804), (70, 1025832), (80, 897603), (84, 854860), (105, 683888), (112, 641145), (120, 598402), (140, 512916), (168, 427430), (210, 341944), (240, 299201), (280, 256458), (336, 213715), (420, 170972), (560, 128229), (840, 85486), (1680, 42743)]