139054720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31039}}^1$

素因数の和:31065

約数の個数: 64

約数和(自身を含む): 379929600

約数和(自身を除く): 240874880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 31039, 62078, 124156, 155195, 217273, 248312, 310390, 434546, 496624, 620780, 869092, 993248, 1086365, 1241560, 1738184, 1986496, 2172730, 2483120, 3476368, 3972992, 4345460, 4966240, 6952736, 8690920, 9932480, 13905472, 17381840, 19864960, 27810944, 34763680, 69527360, 139054720]

約数ペア:

[(1, 139054720), (2, 69527360), (4, 34763680), (5, 27810944), (7, 19864960), (8, 17381840), (10, 13905472), (14, 9932480), (16, 8690920), (20, 6952736), (28, 4966240), (32, 4345460), (35, 3972992), (40, 3476368), (56, 2483120), (64, 2172730), (70, 1986496), (80, 1738184), (112, 1241560), (128, 1086365), (140, 993248), (160, 869092), (224, 620780), (280, 496624), (320, 434546), (448, 310390), (560, 248312), (640, 217273), (896, 155195), (1120, 124156), (2240, 62078), (4480, 31039)]