780056760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1861}}^1$

素因数の和:2381

約数の個数: 128

約数和(自身を含む): 2681280000

約数和(自身を除く): 1901223240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 499, 840, 998, 1497, 1861, 1996, 2495, 2994, 3493, 3722, 3992, 4990, 5583, 5988, 6986, 7444, 7485, 9305, 9980, 10479, 11166, 11976, 13027, 13972, 14888, 14970, 17465, 18610, 19960, 20958, 22332, 26054, 27915, 27944, 29940, 34930, 37220, 39081, 41916, 44664, 52108, 52395, 55830, 59880, 65135, 69860, 74440, 78162, 83832, 104216, 104790, 111660, 130270, 139720, 156324, 195405, 209580, 223320, 260540, 312648, 390810, 419160, 521080, 781620, 928639, 1563240, 1857278, 2785917, 3714556, 4643195, 5571834, 6500473, 7429112, 9286390, 11143668, 13000946, 13929585, 18572780, 19501419, 22287336, 26001892, 27859170, 32502365, 37145560, 39002838, 52003784, 55718340, 65004730, 78005676, 97507095, 111436680, 130009460, 156011352, 195014190, 260018920, 390028380, 780056760]

約数ペア:

[(1, 780056760), (2, 390028380), (3, 260018920), (4, 195014190), (5, 156011352), (6, 130009460), (7, 111436680), (8, 97507095), (10, 78005676), (12, 65004730), (14, 55718340), (15, 52003784), (20, 39002838), (21, 37145560), (24, 32502365), (28, 27859170), (30, 26001892), (35, 22287336), (40, 19501419), (42, 18572780), (56, 13929585), (60, 13000946), (70, 11143668), (84, 9286390), (105, 7429112), (120, 6500473), (140, 5571834), (168, 4643195), (210, 3714556), (280, 2785917), (420, 1857278), (499, 1563240), (840, 928639), (998, 781620), (1497, 521080), (1861, 419160), (1996, 390810), (2495, 312648), (2994, 260540), (3493, 223320), (3722, 209580), (3992, 195405), (4990, 156324), (5583, 139720), (5988, 130270), (6986, 111660), (7444, 104790), (7485, 104216), (9305, 83832), (9980, 78162), (10479, 74440), (11166, 69860), (11976, 65135), (13027, 59880), (13972, 55830), (14888, 52395), (14970, 52108), (17465, 44664), (18610, 41916), (19960, 39081), (20958, 37220), (22332, 34930), (26054, 29940), (27915, 27944)]