81458160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48487}}^1$

素因数の和:48510

約数の個数: 80

約数和(自身を含む): 288600576

約数和(自身を除く): 207142416

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, 48487, 96974, 145461, 193948, 242435, 290922, 339409, 387896, 484870, 581844, 678818, 727305, 775792, 969740, 1018227, 1163688, 1357636, 1454610, 1697045, 1939480, 2036454, 2327376, 2715272, 2909220, 3394090, 3878960, 4072908, 5091135, 5430544, 5818440, 6788180, 8145816, 10182270, 11636880, 13576360, 16291632, 20364540, 27152720, 40729080, 81458160]

約数ペア:

[(1, 81458160), (2, 40729080), (3, 27152720), (4, 20364540), (5, 16291632), (6, 13576360), (7, 11636880), (8, 10182270), (10, 8145816), (12, 6788180), (14, 5818440), (15, 5430544), (16, 5091135), (20, 4072908), (21, 3878960), (24, 3394090), (28, 2909220), (30, 2715272), (35, 2327376), (40, 2036454), (42, 1939480), (48, 1697045), (56, 1454610), (60, 1357636), (70, 1163688), (80, 1018227), (84, 969740), (105, 775792), (112, 727305), (120, 678818), (140, 581844), (168, 484870), (210, 387896), (240, 339409), (280, 290922), (336, 242435), (420, 193948), (560, 145461), (840, 96974), (1680, 48487)]