84105180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6581}}^1$

素因数の和:6667

約数の個数: 72

約数和(自身を含む): 258751584

約数和(自身を除く): 174646404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 6581, 12780, 13162, 19743, 26324, 32905, 39486, 59229, 65810, 78972, 98715, 118458, 131620, 197430, 236916, 296145, 394860, 467251, 592290, 934502, 1184580, 1401753, 1869004, 2336255, 2803506, 4205259, 4672510, 5607012, 7008765, 8410518, 9345020, 14017530, 16821036, 21026295, 28035060, 42052590, 84105180]

約数ペア:

[(1, 84105180), (2, 42052590), (3, 28035060), (4, 21026295), (5, 16821036), (6, 14017530), (9, 9345020), (10, 8410518), (12, 7008765), (15, 5607012), (18, 4672510), (20, 4205259), (30, 2803506), (36, 2336255), (45, 1869004), (60, 1401753), (71, 1184580), (90, 934502), (142, 592290), (180, 467251), (213, 394860), (284, 296145), (355, 236916), (426, 197430), (639, 131620), (710, 118458), (852, 98715), (1065, 78972), (1278, 65810), (1420, 59229), (2130, 39486), (2556, 32905), (3195, 26324), (4260, 19743), (6390, 13162), (6581, 12780)]