81554760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32363}}^1$

素因数の和:32387

約数の個数: 96

約数和(自身を含む): 302927040

約数和(自身を除く): 221372280

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, 32363, 64726, 97089, 129452, 161815, 194178, 226541, 258904, 291267, 323630, 388356, 453082, 485445, 582534, 647260, 679623, 776712, 906164, 970890, 1132705, 1165068, 1294520, 1359246, 1456335, 1812328, 1941780, 2038869, 2265410, 2330136, 2718492, 2912670, 3398115, 3883560, 4077738, 4530820, 5436984, 5825340, 6796230, 8155476, 9061640, 10194345, 11650680, 13592460, 16310952, 20388690, 27184920, 40777380, 81554760]

約数ペア:

[(1, 81554760), (2, 40777380), (3, 27184920), (4, 20388690), (5, 16310952), (6, 13592460), (7, 11650680), (8, 10194345), (9, 9061640), (10, 8155476), (12, 6796230), (14, 5825340), (15, 5436984), (18, 4530820), (20, 4077738), (21, 3883560), (24, 3398115), (28, 2912670), (30, 2718492), (35, 2330136), (36, 2265410), (40, 2038869), (42, 1941780), (45, 1812328), (56, 1456335), (60, 1359246), (63, 1294520), (70, 1165068), (72, 1132705), (84, 970890), (90, 906164), (105, 776712), (120, 679623), (126, 647260), (140, 582534), (168, 485445), (180, 453082), (210, 388356), (252, 323630), (280, 291267), (315, 258904), (360, 226541), (420, 194178), (504, 161815), (630, 129452), (840, 97089), (1260, 64726), (2520, 32363)]