78282120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2273}}^1$

素因数の和:2335

約数の個数: 128

約数和(自身を含む): 275063040

約数和(自身を除く): 196780920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1722, 2273, 2296, 2460, 2870, 3444, 4305, 4546, 4920, 5740, 6819, 6888, 8610, 9092, 11365, 11480, 13638, 15911, 17220, 18184, 22730, 27276, 31822, 34095, 34440, 45460, 47733, 54552, 63644, 68190, 79555, 90920, 93193, 95466, 127288, 136380, 159110, 186386, 190932, 238665, 272760, 279579, 318220, 372772, 381864, 465965, 477330, 559158, 636440, 652351, 745544, 931930, 954660, 1118316, 1304702, 1397895, 1863860, 1909320, 1957053, 2236632, 2609404, 2795790, 3261755, 3727720, 3914106, 5218808, 5591580, 6523510, 7828212, 9785265, 11183160, 13047020, 15656424, 19570530, 26094040, 39141060, 78282120]

約数ペア:

[(1, 78282120), (2, 39141060), (3, 26094040), (4, 19570530), (5, 15656424), (6, 13047020), (7, 11183160), (8, 9785265), (10, 7828212), (12, 6523510), (14, 5591580), (15, 5218808), (20, 3914106), (21, 3727720), (24, 3261755), (28, 2795790), (30, 2609404), (35, 2236632), (40, 1957053), (41, 1909320), (42, 1863860), (56, 1397895), (60, 1304702), (70, 1118316), (82, 954660), (84, 931930), (105, 745544), (120, 652351), (123, 636440), (140, 559158), (164, 477330), (168, 465965), (205, 381864), (210, 372772), (246, 318220), (280, 279579), (287, 272760), (328, 238665), (410, 190932), (420, 186386), (492, 159110), (574, 136380), (615, 127288), (820, 95466), (840, 93193), (861, 90920), (984, 79555), (1148, 68190), (1230, 63644), (1435, 54552), (1640, 47733), (1722, 45460), (2273, 34440), (2296, 34095), (2460, 31822), (2870, 27276), (3444, 22730), (4305, 18184), (4546, 17220), (4920, 15911), (5740, 13638), (6819, 11480), (6888, 11365), (8610, 9092)]