78162840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^3\times {\mathrm{211}}^1$

素因数の和:252

約数の個数: 256

約数和(自身を含む): 305280000

約数和(自身を除く): 227117160

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, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 211, 216, 245, 252, 270, 280, 294, 315, 343, 360, 378, 392, 420, 422, 441, 490, 504, 540, 588, 630, 633, 686, 735, 756, 840, 844, 882, 945, 980, 1029, 1055, 1080, 1176, 1260, 1266, 1323, 1372, 1470, 1477, 1512, 1688, 1715, 1764, 1890, 1899, 1960, 2058, 2110, 2205, 2520, 2532, 2646, 2744, 2940, 2954, 3087, 3165, 3430, 3528, 3780, 3798, 4116, 4220, 4410, 4431, 5064, 5145, 5292, 5697, 5880, 5908, 6174, 6330, 6615, 6860, 7385, 7560, 7596, 8232, 8440, 8820, 8862, 9261, 9495, 10290, 10339, 10584, 11394, 11816, 12348, 12660, 13230, 13293, 13720, 14770, 15192, 15435, 17640, 17724, 18522, 18990, 20580, 20678, 22155, 22788, 24696, 25320, 26460, 26586, 28485, 29540, 30870, 31017, 35448, 37044, 37980, 39879, 41160, 41356, 44310, 45576, 46305, 51695, 52920, 53172, 56970, 59080, 61740, 62034, 66465, 72373, 74088, 75960, 79758, 82712, 88620, 92610, 93051, 103390, 106344, 113940, 123480, 124068, 132930, 144746, 155085, 159516, 177240, 185220, 186102, 199395, 206780, 217119, 227880, 248136, 265860, 279153, 289492, 310170, 319032, 361865, 370440, 372204, 398790, 413560, 434238, 465255, 531720, 558306, 578984, 620340, 651357, 723730, 744408, 797580, 868476, 930510, 1085595, 1116612, 1240680, 1302714, 1395765, 1447460, 1595160, 1736952, 1861020, 1954071, 2171190, 2233224, 2605428, 2791530, 2894920, 3256785, 3722040, 3908142, 4342380, 5210856, 5583060, 6513570, 7816284, 8684760, 9770355, 11166120, 13027140, 15632568, 19540710, 26054280, 39081420, 78162840]

約数ペア:

[(1, 78162840), (2, 39081420), (3, 26054280), (4, 19540710), (5, 15632568), (6, 13027140), (7, 11166120), (8, 9770355), (9, 8684760), (10, 7816284), (12, 6513570), (14, 5583060), (15, 5210856), (18, 4342380), (20, 3908142), (21, 3722040), (24, 3256785), (27, 2894920), (28, 2791530), (30, 2605428), (35, 2233224), (36, 2171190), (40, 1954071), (42, 1861020), (45, 1736952), (49, 1595160), (54, 1447460), (56, 1395765), (60, 1302714), (63, 1240680), (70, 1116612), (72, 1085595), (84, 930510), (90, 868476), (98, 797580), (105, 744408), (108, 723730), (120, 651357), (126, 620340), (135, 578984), (140, 558306), (147, 531720), (168, 465255), (180, 434238), (189, 413560), (196, 398790), (210, 372204), (211, 370440), (216, 361865), (245, 319032), (252, 310170), (270, 289492), (280, 279153), (294, 265860), (315, 248136), (343, 227880), (360, 217119), (378, 206780), (392, 199395), (420, 186102), (422, 185220), (441, 177240), (490, 159516), (504, 155085), (540, 144746), (588, 132930), (630, 124068), (633, 123480), (686, 113940), (735, 106344), (756, 103390), (840, 93051), (844, 92610), (882, 88620), (945, 82712), (980, 79758), (1029, 75960), (1055, 74088), (1080, 72373), (1176, 66465), (1260, 62034), (1266, 61740), (1323, 59080), (1372, 56970), (1470, 53172), (1477, 52920), (1512, 51695), (1688, 46305), (1715, 45576), (1764, 44310), (1890, 41356), (1899, 41160), (1960, 39879), (2058, 37980), (2110, 37044), (2205, 35448), (2520, 31017), (2532, 30870), (2646, 29540), (2744, 28485), (2940, 26586), (2954, 26460), (3087, 25320), (3165, 24696), (3430, 22788), (3528, 22155), (3780, 20678), (3798, 20580), (4116, 18990), (4220, 18522), (4410, 17724), (4431, 17640), (5064, 15435), (5145, 15192), (5292, 14770), (5697, 13720), (5880, 13293), (5908, 13230), (6174, 12660), (6330, 12348), (6615, 11816), (6860, 11394), (7385, 10584), (7560, 10339), (7596, 10290), (8232, 9495), (8440, 9261), (8820, 8862)]