20129725560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1261261}}^1$

素因数の和:1261301

約数の個数: 128

約数和(自身を含む): 72648691200

約数和(自身を除く): 52518965640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 1261261, 2522522, 3783783, 5045044, 6306305, 7567566, 8828827, 10090088, 12612610, 15135132, 17657654, 18918915, 23963959, 25225220, 26486481, 30270264, 35315308, 37837830, 44144135, 47927918, 50450440, 52972962, 70630616, 71891877, 75675660, 88288270, 95855836, 105945924, 119819795, 132432405, 143783754, 151351320, 167747713, 176576540, 191711672, 211891848, 239639590, 264864810, 287567508, 335495426, 353153080, 359459385, 479279180, 503243139, 529729620, 575135016, 670990852, 718918770, 838738565, 958558360, 1006486278, 1059459240, 1341981704, 1437837540, 1677477130, 2012972556, 2516215695, 2875675080, 3354954260, 4025945112, 5032431390, 6709908520, 10064862780, 20129725560]

約数ペア:

[(1, 20129725560), (2, 10064862780), (3, 6709908520), (4, 5032431390), (5, 4025945112), (6, 3354954260), (7, 2875675080), (8, 2516215695), (10, 2012972556), (12, 1677477130), (14, 1437837540), (15, 1341981704), (19, 1059459240), (20, 1006486278), (21, 958558360), (24, 838738565), (28, 718918770), (30, 670990852), (35, 575135016), (38, 529729620), (40, 503243139), (42, 479279180), (56, 359459385), (57, 353153080), (60, 335495426), (70, 287567508), (76, 264864810), (84, 239639590), (95, 211891848), (105, 191711672), (114, 176576540), (120, 167747713), (133, 151351320), (140, 143783754), (152, 132432405), (168, 119819795), (190, 105945924), (210, 95855836), (228, 88288270), (266, 75675660), (280, 71891877), (285, 70630616), (380, 52972962), (399, 50450440), (420, 47927918), (456, 44144135), (532, 37837830), (570, 35315308), (665, 30270264), (760, 26486481), (798, 25225220), (840, 23963959), (1064, 18918915), (1140, 17657654), (1330, 15135132), (1596, 12612610), (1995, 10090088), (2280, 8828827), (2660, 7567566), (3192, 6306305), (3990, 5045044), (5320, 3783783), (7980, 2522522), (15960, 1261261)]