81222480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1266

約数の個数: 160

約数和(自身を含む): 289029120

約数和(自身を除く): 207806640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 310, 360, 372, 432, 465, 496, 540, 558, 620, 720, 744, 837, 930, 1080, 1116, 1213, 1240, 1395, 1488, 1674, 1860, 2160, 2232, 2426, 2480, 2790, 3348, 3639, 3720, 4185, 4464, 4852, 5580, 6065, 6696, 7278, 7440, 8370, 9704, 10917, 11160, 12130, 13392, 14556, 16740, 18195, 19408, 21834, 22320, 24260, 29112, 32751, 33480, 36390, 37603, 43668, 48520, 54585, 58224, 65502, 66960, 72780, 75206, 87336, 97040, 109170, 112809, 131004, 145560, 150412, 163755, 174672, 188015, 218340, 225618, 262008, 291120, 300824, 327510, 338427, 376030, 436680, 451236, 524016, 564045, 601648, 655020, 676854, 752060, 873360, 902472, 1015281, 1128090, 1310040, 1353708, 1504120, 1692135, 1804944, 2030562, 2256180, 2620080, 2707416, 3008240, 3384270, 4061124, 4512360, 5076405, 5414832, 6768540, 8122248, 9024720, 10152810, 13537080, 16244496, 20305620, 27074160, 40611240, 81222480]

約数ペア:

[(1, 81222480), (2, 40611240), (3, 27074160), (4, 20305620), (5, 16244496), (6, 13537080), (8, 10152810), (9, 9024720), (10, 8122248), (12, 6768540), (15, 5414832), (16, 5076405), (18, 4512360), (20, 4061124), (24, 3384270), (27, 3008240), (30, 2707416), (31, 2620080), (36, 2256180), (40, 2030562), (45, 1804944), (48, 1692135), (54, 1504120), (60, 1353708), (62, 1310040), (72, 1128090), (80, 1015281), (90, 902472), (93, 873360), (108, 752060), (120, 676854), (124, 655020), (135, 601648), (144, 564045), (155, 524016), (180, 451236), (186, 436680), (216, 376030), (240, 338427), (248, 327510), (270, 300824), (279, 291120), (310, 262008), (360, 225618), (372, 218340), (432, 188015), (465, 174672), (496, 163755), (540, 150412), (558, 145560), (620, 131004), (720, 112809), (744, 109170), (837, 97040), (930, 87336), (1080, 75206), (1116, 72780), (1213, 66960), (1240, 65502), (1395, 58224), (1488, 54585), (1674, 48520), (1860, 43668), (2160, 37603), (2232, 36390), (2426, 33480), (2480, 32751), (2790, 29112), (3348, 24260), (3639, 22320), (3720, 21834), (4185, 19408), (4464, 18195), (4852, 16740), (5580, 14556), (6065, 13392), (6696, 12130), (7278, 11160), (7440, 10917), (8370, 9704)]