78183560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 221598720

約数和(自身を除く): 143415160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 47, 52, 56, 65, 70, 91, 94, 104, 130, 140, 182, 188, 235, 260, 280, 329, 364, 376, 455, 457, 470, 520, 611, 658, 728, 910, 914, 940, 1222, 1316, 1645, 1820, 1828, 1880, 2285, 2444, 2632, 3055, 3199, 3290, 3640, 3656, 4277, 4570, 4888, 5941, 6110, 6398, 6580, 8554, 9140, 11882, 12220, 12796, 13160, 15995, 17108, 18280, 21385, 21479, 23764, 24440, 25592, 29705, 31990, 34216, 41587, 42770, 42958, 47528, 59410, 63980, 83174, 85540, 85916, 107395, 118820, 127960, 150353, 166348, 171080, 171832, 207935, 214790, 237640, 279227, 300706, 332696, 415870, 429580, 558454, 601412, 751765, 831740, 859160, 1116908, 1202824, 1396135, 1503530, 1663480, 1954589, 2233816, 2792270, 3007060, 3909178, 5584540, 6014120, 7818356, 9772945, 11169080, 15636712, 19545890, 39091780, 78183560]

約数ペア:

[(1, 78183560), (2, 39091780), (4, 19545890), (5, 15636712), (7, 11169080), (8, 9772945), (10, 7818356), (13, 6014120), (14, 5584540), (20, 3909178), (26, 3007060), (28, 2792270), (35, 2233816), (40, 1954589), (47, 1663480), (52, 1503530), (56, 1396135), (65, 1202824), (70, 1116908), (91, 859160), (94, 831740), (104, 751765), (130, 601412), (140, 558454), (182, 429580), (188, 415870), (235, 332696), (260, 300706), (280, 279227), (329, 237640), (364, 214790), (376, 207935), (455, 171832), (457, 171080), (470, 166348), (520, 150353), (611, 127960), (658, 118820), (728, 107395), (910, 85916), (914, 85540), (940, 83174), (1222, 63980), (1316, 59410), (1645, 47528), (1820, 42958), (1828, 42770), (1880, 41587), (2285, 34216), (2444, 31990), (2632, 29705), (3055, 25592), (3199, 24440), (3290, 23764), (3640, 21479), (3656, 21385), (4277, 18280), (4570, 17108), (4888, 15995), (5941, 13160), (6110, 12796), (6398, 12220), (6580, 11882), (8554, 9140)]