78171240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3209}}^1$

素因数の和:3259

約数の個数: 128

約数和(自身を含む): 277344000

約数和(自身を除く): 199172760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1624, 1740, 2030, 2436, 3045, 3209, 3480, 4060, 4872, 6090, 6418, 8120, 9627, 12180, 12836, 16045, 19254, 22463, 24360, 25672, 32090, 38508, 44926, 48135, 64180, 67389, 77016, 89852, 93061, 96270, 112315, 128360, 134778, 179704, 186122, 192540, 224630, 269556, 279183, 336945, 372244, 385080, 449260, 465305, 539112, 558366, 651427, 673890, 744488, 898520, 930610, 1116732, 1302854, 1347780, 1395915, 1861220, 1954281, 2233464, 2605708, 2695560, 2791830, 3257135, 3722440, 3908562, 5211416, 5583660, 6514270, 7817124, 9771405, 11167320, 13028540, 15634248, 19542810, 26057080, 39085620, 78171240]

約数ペア:

[(1, 78171240), (2, 39085620), (3, 26057080), (4, 19542810), (5, 15634248), (6, 13028540), (7, 11167320), (8, 9771405), (10, 7817124), (12, 6514270), (14, 5583660), (15, 5211416), (20, 3908562), (21, 3722440), (24, 3257135), (28, 2791830), (29, 2695560), (30, 2605708), (35, 2233464), (40, 1954281), (42, 1861220), (56, 1395915), (58, 1347780), (60, 1302854), (70, 1116732), (84, 930610), (87, 898520), (105, 744488), (116, 673890), (120, 651427), (140, 558366), (145, 539112), (168, 465305), (174, 449260), (203, 385080), (210, 372244), (232, 336945), (280, 279183), (290, 269556), (348, 224630), (406, 192540), (420, 186122), (435, 179704), (580, 134778), (609, 128360), (696, 112315), (812, 96270), (840, 93061), (870, 89852), (1015, 77016), (1160, 67389), (1218, 64180), (1624, 48135), (1740, 44926), (2030, 38508), (2436, 32090), (3045, 25672), (3209, 24360), (3480, 22463), (4060, 19254), (4872, 16045), (6090, 12836), (6418, 12180), (8120, 9627)]