40574340

素因数分解:

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

素因数の和:969

約数の個数: 72

約数和(自身を含む): 123596928

約数和(自身を除く): 83022588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 523, 862, 1046, 1293, 1569, 1724, 2092, 2155, 2586, 2615, 3138, 3879, 4310, 4707, 5172, 5230, 6276, 6465, 7758, 7845, 8620, 9414, 10460, 12930, 15516, 15690, 18828, 19395, 23535, 25860, 31380, 38790, 47070, 77580, 94140, 225413, 450826, 676239, 901652, 1127065, 1352478, 2028717, 2254130, 2704956, 3381195, 4057434, 4508260, 6762390, 8114868, 10143585, 13524780, 20287170, 40574340]

約数ペア:

[(1, 40574340), (2, 20287170), (3, 13524780), (4, 10143585), (5, 8114868), (6, 6762390), (9, 4508260), (10, 4057434), (12, 3381195), (15, 2704956), (18, 2254130), (20, 2028717), (30, 1352478), (36, 1127065), (45, 901652), (60, 676239), (90, 450826), (180, 225413), (431, 94140), (523, 77580), (862, 47070), (1046, 38790), (1293, 31380), (1569, 25860), (1724, 23535), (2092, 19395), (2155, 18828), (2586, 15690), (2615, 15516), (3138, 12930), (3879, 10460), (4310, 9414), (4707, 8620), (5172, 7845), (5230, 7758), (6276, 6465)]