81675360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4363}}^1$

素因数の和:4397

約数の個数: 144

約数和(自身を含む): 300225744

約数和(自身を除く): 218550384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4363, 4680, 6240, 8726, 9360, 13089, 17452, 18720, 21815, 26178, 34904, 39267, 43630, 52356, 56719, 65445, 69808, 78534, 87260, 104712, 113438, 130890, 139616, 157068, 170157, 174520, 196335, 209424, 226876, 261780, 283595, 314136, 340314, 349040, 392670, 418848, 453752, 510471, 523560, 567190, 628272, 680628, 698080, 785340, 850785, 907504, 1020942, 1047120, 1134380, 1256544, 1361256, 1570680, 1701570, 1815008, 2041884, 2094240, 2268760, 2552355, 2722512, 3141360, 3403140, 4083768, 4537520, 5104710, 5445024, 6282720, 6806280, 8167536, 9075040, 10209420, 13612560, 16335072, 20418840, 27225120, 40837680, 81675360]

約数ペア:

[(1, 81675360), (2, 40837680), (3, 27225120), (4, 20418840), (5, 16335072), (6, 13612560), (8, 10209420), (9, 9075040), (10, 8167536), (12, 6806280), (13, 6282720), (15, 5445024), (16, 5104710), (18, 4537520), (20, 4083768), (24, 3403140), (26, 3141360), (30, 2722512), (32, 2552355), (36, 2268760), (39, 2094240), (40, 2041884), (45, 1815008), (48, 1701570), (52, 1570680), (60, 1361256), (65, 1256544), (72, 1134380), (78, 1047120), (80, 1020942), (90, 907504), (96, 850785), (104, 785340), (117, 698080), (120, 680628), (130, 628272), (144, 567190), (156, 523560), (160, 510471), (180, 453752), (195, 418848), (208, 392670), (234, 349040), (240, 340314), (260, 314136), (288, 283595), (312, 261780), (360, 226876), (390, 209424), (416, 196335), (468, 174520), (480, 170157), (520, 157068), (585, 139616), (624, 130890), (720, 113438), (780, 104712), (936, 87260), (1040, 78534), (1170, 69808), (1248, 65445), (1440, 56719), (1560, 52356), (1872, 43630), (2080, 39267), (2340, 34904), (3120, 26178), (3744, 21815), (4363, 18720), (4680, 17452), (6240, 13089), (8726, 9360)]