81464040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32327}}^1$

素因数の和:32351

約数の個数: 96

約数和(自身を含む): 302590080

約数和(自身を除く): 221126040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32327, 64654, 96981, 129308, 161635, 193962, 226289, 258616, 290943, 323270, 387924, 452578, 484905, 581886, 646540, 678867, 775848, 905156, 969810, 1131445, 1163772, 1293080, 1357734, 1454715, 1810312, 1939620, 2036601, 2262890, 2327544, 2715468, 2909430, 3394335, 3879240, 4073202, 4525780, 5430936, 5818860, 6788670, 8146404, 9051560, 10183005, 11637720, 13577340, 16292808, 20366010, 27154680, 40732020, 81464040]

約数ペア:

[(1, 81464040), (2, 40732020), (3, 27154680), (4, 20366010), (5, 16292808), (6, 13577340), (7, 11637720), (8, 10183005), (9, 9051560), (10, 8146404), (12, 6788670), (14, 5818860), (15, 5430936), (18, 4525780), (20, 4073202), (21, 3879240), (24, 3394335), (28, 2909430), (30, 2715468), (35, 2327544), (36, 2262890), (40, 2036601), (42, 1939620), (45, 1810312), (56, 1454715), (60, 1357734), (63, 1293080), (70, 1163772), (72, 1131445), (84, 969810), (90, 905156), (105, 775848), (120, 678867), (126, 646540), (140, 581886), (168, 484905), (180, 452578), (210, 387924), (252, 323270), (280, 290943), (315, 258616), (360, 226289), (420, 193962), (504, 161635), (630, 129308), (840, 96981), (1260, 64654), (2520, 32327)]