2131065720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{281887}}^1$

素因数の和:281914

約数の個数: 128

約数和(自身を含む): 8118374400

約数和(自身を除く): 5987308680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 281887, 563774, 845661, 1127548, 1409435, 1691322, 1973209, 2255096, 2536983, 2818870, 3382644, 3946418, 4228305, 5073966, 5637740, 5919627, 6765288, 7610949, 7892836, 8456610, 9866045, 10147932, 11275480, 11839254, 12684915, 15221898, 15785672, 16913220, 17758881, 19732090, 20295864, 23678508, 25369830, 29598135, 30443796, 33826440, 35517762, 38054745, 39464180, 47357016, 50739660, 53276643, 59196270, 60887592, 71035524, 76109490, 78928360, 88794405, 101479320, 106553286, 118392540, 142071048, 152218980, 177588810, 213106572, 236785080, 266383215, 304437960, 355177620, 426213144, 532766430, 710355240, 1065532860, 2131065720]

約数ペア:

[(1, 2131065720), (2, 1065532860), (3, 710355240), (4, 532766430), (5, 426213144), (6, 355177620), (7, 304437960), (8, 266383215), (9, 236785080), (10, 213106572), (12, 177588810), (14, 152218980), (15, 142071048), (18, 118392540), (20, 106553286), (21, 101479320), (24, 88794405), (27, 78928360), (28, 76109490), (30, 71035524), (35, 60887592), (36, 59196270), (40, 53276643), (42, 50739660), (45, 47357016), (54, 39464180), (56, 38054745), (60, 35517762), (63, 33826440), (70, 30443796), (72, 29598135), (84, 25369830), (90, 23678508), (105, 20295864), (108, 19732090), (120, 17758881), (126, 16913220), (135, 15785672), (140, 15221898), (168, 12684915), (180, 11839254), (189, 11275480), (210, 10147932), (216, 9866045), (252, 8456610), (270, 7892836), (280, 7610949), (315, 6765288), (360, 5919627), (378, 5637740), (420, 5073966), (504, 4228305), (540, 3946418), (630, 3382644), (756, 2818870), (840, 2536983), (945, 2255096), (1080, 1973209), (1260, 1691322), (1512, 1409435), (1890, 1127548), (2520, 845661), (3780, 563774), (7560, 281887)]