30761920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:498

約数の個数: 112

約数和(自身を含む): 86611968

約数和(自身を除く): 55850048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 443, 448, 496, 560, 620, 868, 886, 992, 1085, 1120, 1240, 1736, 1772, 1984, 2170, 2215, 2240, 2480, 3101, 3472, 3544, 4340, 4430, 4960, 6202, 6944, 7088, 8680, 8860, 9920, 12404, 13733, 13888, 14176, 15505, 17360, 17720, 24808, 27466, 28352, 31010, 34720, 35440, 49616, 54932, 62020, 68665, 69440, 70880, 96131, 99232, 109864, 124040, 137330, 141760, 192262, 198464, 219728, 248080, 274660, 384524, 439456, 480655, 496160, 549320, 769048, 878912, 961310, 992320, 1098640, 1538096, 1922620, 2197280, 3076192, 3845240, 4394560, 6152384, 7690480, 15380960, 30761920]

約数ペア:

[(1, 30761920), (2, 15380960), (4, 7690480), (5, 6152384), (7, 4394560), (8, 3845240), (10, 3076192), (14, 2197280), (16, 1922620), (20, 1538096), (28, 1098640), (31, 992320), (32, 961310), (35, 878912), (40, 769048), (56, 549320), (62, 496160), (64, 480655), (70, 439456), (80, 384524), (112, 274660), (124, 248080), (140, 219728), (155, 198464), (160, 192262), (217, 141760), (224, 137330), (248, 124040), (280, 109864), (310, 99232), (320, 96131), (434, 70880), (443, 69440), (448, 68665), (496, 62020), (560, 54932), (620, 49616), (868, 35440), (886, 34720), (992, 31010), (1085, 28352), (1120, 27466), (1240, 24808), (1736, 17720), (1772, 17360), (1984, 15505), (2170, 14176), (2215, 13888), (2240, 13733), (2480, 12404), (3101, 9920), (3472, 8860), (3544, 8680), (4340, 7088), (4430, 6944), (4960, 6202)]