81145440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1523}}^1$

素因数の和:1581

約数の個数: 144

約数和(自身を含む): 284579568

約数和(自身を除く): 203434128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 222, 240, 288, 296, 333, 360, 370, 444, 480, 555, 592, 666, 720, 740, 888, 1110, 1184, 1332, 1440, 1480, 1523, 1665, 1776, 2220, 2664, 2960, 3046, 3330, 3552, 4440, 4569, 5328, 5920, 6092, 6660, 7615, 8880, 9138, 10656, 12184, 13320, 13707, 15230, 17760, 18276, 22845, 24368, 26640, 27414, 30460, 36552, 45690, 48736, 53280, 54828, 56351, 60920, 68535, 73104, 91380, 109656, 112702, 121840, 137070, 146208, 169053, 182760, 219312, 225404, 243680, 274140, 281755, 338106, 365520, 438624, 450808, 507159, 548280, 563510, 676212, 731040, 845265, 901616, 1014318, 1096560, 1127020, 1352424, 1690530, 1803232, 2028636, 2193120, 2254040, 2535795, 2704848, 3381060, 4057272, 4508080, 5071590, 5409696, 6762120, 8114544, 9016160, 10143180, 13524240, 16229088, 20286360, 27048480, 40572720, 81145440]

約数ペア:

[(1, 81145440), (2, 40572720), (3, 27048480), (4, 20286360), (5, 16229088), (6, 13524240), (8, 10143180), (9, 9016160), (10, 8114544), (12, 6762120), (15, 5409696), (16, 5071590), (18, 4508080), (20, 4057272), (24, 3381060), (30, 2704848), (32, 2535795), (36, 2254040), (37, 2193120), (40, 2028636), (45, 1803232), (48, 1690530), (60, 1352424), (72, 1127020), (74, 1096560), (80, 1014318), (90, 901616), (96, 845265), (111, 731040), (120, 676212), (144, 563510), (148, 548280), (160, 507159), (180, 450808), (185, 438624), (222, 365520), (240, 338106), (288, 281755), (296, 274140), (333, 243680), (360, 225404), (370, 219312), (444, 182760), (480, 169053), (555, 146208), (592, 137070), (666, 121840), (720, 112702), (740, 109656), (888, 91380), (1110, 73104), (1184, 68535), (1332, 60920), (1440, 56351), (1480, 54828), (1523, 53280), (1665, 48736), (1776, 45690), (2220, 36552), (2664, 30460), (2960, 27414), (3046, 26640), (3330, 24368), (3552, 22845), (4440, 18276), (4569, 17760), (5328, 15230), (5920, 13707), (6092, 13320), (6660, 12184), (7615, 10656), (8880, 9138)]