150920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1$

素因数の和:43

約数の個数: 64

約数和(自身を含む): 432000

約数和(自身を除く): 281080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 343, 385, 392, 440, 490, 539, 616, 686, 770, 980, 1078, 1372, 1540, 1715, 1960, 2156, 2695, 2744, 3080, 3430, 3773, 4312, 5390, 6860, 7546, 10780, 13720, 15092, 18865, 21560, 30184, 37730, 75460, 150920]

約数ペア:

[(1, 150920), (2, 75460), (4, 37730), (5, 30184), (7, 21560), (8, 18865), (10, 15092), (11, 13720), (14, 10780), (20, 7546), (22, 6860), (28, 5390), (35, 4312), (40, 3773), (44, 3430), (49, 3080), (55, 2744), (56, 2695), (70, 2156), (77, 1960), (88, 1715), (98, 1540), (110, 1372), (140, 1078), (154, 980), (196, 770), (220, 686), (245, 616), (280, 539), (308, 490), (343, 440), (385, 392)]