81148680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{523}}^1$

素因数の和:971

約数の個数: 96

約数和(自身を含む): 264850560

約数和(自身を除く): 183701880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 431, 523, 862, 1046, 1293, 1569, 1724, 2092, 2155, 2586, 2615, 3138, 3448, 3879, 4184, 4310, 4707, 5172, 5230, 6276, 6465, 7758, 7845, 8620, 9414, 10344, 10460, 12552, 12930, 15516, 15690, 17240, 18828, 19395, 20920, 23535, 25860, 31032, 31380, 37656, 38790, 47070, 51720, 62760, 77580, 94140, 155160, 188280, 225413, 450826, 676239, 901652, 1127065, 1352478, 1803304, 2028717, 2254130, 2704956, 3381195, 4057434, 4508260, 5409912, 6762390, 8114868, 9016520, 10143585, 13524780, 16229736, 20287170, 27049560, 40574340, 81148680]

約数ペア:

[(1, 81148680), (2, 40574340), (3, 27049560), (4, 20287170), (5, 16229736), (6, 13524780), (8, 10143585), (9, 9016520), (10, 8114868), (12, 6762390), (15, 5409912), (18, 4508260), (20, 4057434), (24, 3381195), (30, 2704956), (36, 2254130), (40, 2028717), (45, 1803304), (60, 1352478), (72, 1127065), (90, 901652), (120, 676239), (180, 450826), (360, 225413), (431, 188280), (523, 155160), (862, 94140), (1046, 77580), (1293, 62760), (1569, 51720), (1724, 47070), (2092, 38790), (2155, 37656), (2586, 31380), (2615, 31032), (3138, 25860), (3448, 23535), (3879, 20920), (4184, 19395), (4310, 18828), (4707, 17240), (5172, 15690), (5230, 15516), (6276, 12930), (6465, 12552), (7758, 10460), (7845, 10344), (8620, 9414)]