2117920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:114

約数の個数: 96

約数和(自身を含む): 5999616

約数和(自身を除く): 3881696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 61, 62, 70, 80, 112, 122, 124, 140, 155, 160, 217, 224, 244, 248, 280, 305, 310, 427, 434, 488, 496, 560, 610, 620, 854, 868, 976, 992, 1085, 1120, 1220, 1240, 1708, 1736, 1891, 1952, 2135, 2170, 2440, 2480, 3416, 3472, 3782, 4270, 4340, 4880, 4960, 6832, 6944, 7564, 8540, 8680, 9455, 9760, 13237, 13664, 15128, 17080, 17360, 18910, 26474, 30256, 34160, 34720, 37820, 52948, 60512, 66185, 68320, 75640, 105896, 132370, 151280, 211792, 264740, 302560, 423584, 529480, 1058960, 2117920]

約数ペア:

[(1, 2117920), (2, 1058960), (4, 529480), (5, 423584), (7, 302560), (8, 264740), (10, 211792), (14, 151280), (16, 132370), (20, 105896), (28, 75640), (31, 68320), (32, 66185), (35, 60512), (40, 52948), (56, 37820), (61, 34720), (62, 34160), (70, 30256), (80, 26474), (112, 18910), (122, 17360), (124, 17080), (140, 15128), (155, 13664), (160, 13237), (217, 9760), (224, 9455), (244, 8680), (248, 8540), (280, 7564), (305, 6944), (310, 6832), (427, 4960), (434, 4880), (488, 4340), (496, 4270), (560, 3782), (610, 3472), (620, 3416), (854, 2480), (868, 2440), (976, 2170), (992, 2135), (1085, 1952), (1120, 1891), (1220, 1736), (1240, 1708)]