81537120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{8089}}^1$

素因数の和:8117

約数の個数: 144

約数和(自身を含む): 318034080

約数和(自身を除く): 236496960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 8089, 10080, 16178, 24267, 32356, 40445, 48534, 56623, 64712, 72801, 80890, 97068, 113246, 121335, 129424, 145602, 161780, 169869, 194136, 226492, 242670, 258848, 283115, 291204, 323560, 339738, 364005, 388272, 452984, 485340, 509607, 566230, 582408, 647120, 679476, 728010, 776544, 849345, 905968, 970680, 1019214, 1132460, 1164816, 1294240, 1358952, 1456020, 1698690, 1811936, 1941360, 2038428, 2264920, 2329632, 2548035, 2717904, 2912040, 3397380, 3882720, 4076856, 4529840, 5096070, 5435808, 5824080, 6794760, 8153712, 9059680, 10192140, 11648160, 13589520, 16307424, 20384280, 27179040, 40768560, 81537120]

約数ペア:

[(1, 81537120), (2, 40768560), (3, 27179040), (4, 20384280), (5, 16307424), (6, 13589520), (7, 11648160), (8, 10192140), (9, 9059680), (10, 8153712), (12, 6794760), (14, 5824080), (15, 5435808), (16, 5096070), (18, 4529840), (20, 4076856), (21, 3882720), (24, 3397380), (28, 2912040), (30, 2717904), (32, 2548035), (35, 2329632), (36, 2264920), (40, 2038428), (42, 1941360), (45, 1811936), (48, 1698690), (56, 1456020), (60, 1358952), (63, 1294240), (70, 1164816), (72, 1132460), (80, 1019214), (84, 970680), (90, 905968), (96, 849345), (105, 776544), (112, 728010), (120, 679476), (126, 647120), (140, 582408), (144, 566230), (160, 509607), (168, 485340), (180, 452984), (210, 388272), (224, 364005), (240, 339738), (252, 323560), (280, 291204), (288, 283115), (315, 258848), (336, 242670), (360, 226492), (420, 194136), (480, 169869), (504, 161780), (560, 145602), (630, 129424), (672, 121335), (720, 113246), (840, 97068), (1008, 80890), (1120, 72801), (1260, 64712), (1440, 56623), (1680, 48534), (2016, 40445), (2520, 32356), (3360, 24267), (5040, 16178), (8089, 10080)]