121788240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{72493}}^1$

素因数の和:72516

約数の個数: 80

約数和(自身を含む): 431484288

約数和(自身を除く): 309696048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 72493, 144986, 217479, 289972, 362465, 434958, 507451, 579944, 724930, 869916, 1014902, 1087395, 1159888, 1449860, 1522353, 1739832, 2029804, 2174790, 2537255, 2899720, 3044706, 3479664, 4059608, 4349580, 5074510, 5799440, 6089412, 7611765, 8119216, 8699160, 10149020, 12178824, 15223530, 17398320, 20298040, 24357648, 30447060, 40596080, 60894120, 121788240]

約数ペア:

[(1, 121788240), (2, 60894120), (3, 40596080), (4, 30447060), (5, 24357648), (6, 20298040), (7, 17398320), (8, 15223530), (10, 12178824), (12, 10149020), (14, 8699160), (15, 8119216), (16, 7611765), (20, 6089412), (21, 5799440), (24, 5074510), (28, 4349580), (30, 4059608), (35, 3479664), (40, 3044706), (42, 2899720), (48, 2537255), (56, 2174790), (60, 2029804), (70, 1739832), (80, 1522353), (84, 1449860), (105, 1159888), (112, 1087395), (120, 1014902), (140, 869916), (168, 724930), (210, 579944), (240, 507451), (280, 434958), (336, 362465), (420, 289972), (560, 217479), (840, 144986), (1680, 72493)]