68513760

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{971}}^1$

素因数の和:1006

約数の個数: 216

約数和(自身を含む): 272255256

約数和(自身を除く): 203741496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 971, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1942, 1960, 2016, 2205, 2352, 2520, 2913, 2940, 3360, 3528, 3884, 3920, 4410, 4704, 4855, 5040, 5826, 5880, 6797, 7056, 7768, 7840, 8739, 8820, 9710, 10080, 11652, 11760, 13594, 14112, 14565, 15536, 17478, 17640, 19420, 20391, 23304, 23520, 27188, 29130, 31072, 33985, 34956, 35280, 38840, 40782, 43695, 46608, 47579, 54376, 58260, 61173, 67970, 69912, 70560, 77680, 81564, 87390, 93216, 95158, 101955, 108752, 116520, 122346, 135940, 139824, 142737, 155360, 163128, 174780, 190316, 203910, 217504, 233040, 237895, 244692, 271880, 279648, 285474, 305865, 326256, 349560, 380632, 407820, 428211, 466080, 475790, 489384, 543760, 570948, 611730, 652512, 699120, 713685, 761264, 815640, 856422, 951580, 978768, 1087520, 1141896, 1223460, 1398240, 1427370, 1522528, 1631280, 1712844, 1903160, 1957536, 2141055, 2283792, 2446920, 2854740, 3262560, 3425688, 3806320, 4282110, 4567584, 4893840, 5709480, 6851376, 7612640, 8564220, 9787680, 11418960, 13702752, 17128440, 22837920, 34256880, 68513760]

約数ペア:

[(1, 68513760), (2, 34256880), (3, 22837920), (4, 17128440), (5, 13702752), (6, 11418960), (7, 9787680), (8, 8564220), (9, 7612640), (10, 6851376), (12, 5709480), (14, 4893840), (15, 4567584), (16, 4282110), (18, 3806320), (20, 3425688), (21, 3262560), (24, 2854740), (28, 2446920), (30, 2283792), (32, 2141055), (35, 1957536), (36, 1903160), (40, 1712844), (42, 1631280), (45, 1522528), (48, 1427370), (49, 1398240), (56, 1223460), (60, 1141896), (63, 1087520), (70, 978768), (72, 951580), (80, 856422), (84, 815640), (90, 761264), (96, 713685), (98, 699120), (105, 652512), (112, 611730), (120, 570948), (126, 543760), (140, 489384), (144, 475790), (147, 466080), (160, 428211), (168, 407820), (180, 380632), (196, 349560), (210, 326256), (224, 305865), (240, 285474), (245, 279648), (252, 271880), (280, 244692), (288, 237895), (294, 233040), (315, 217504), (336, 203910), (360, 190316), (392, 174780), (420, 163128), (441, 155360), (480, 142737), (490, 139824), (504, 135940), (560, 122346), (588, 116520), (630, 108752), (672, 101955), (720, 95158), (735, 93216), (784, 87390), (840, 81564), (882, 77680), (971, 70560), (980, 69912), (1008, 67970), (1120, 61173), (1176, 58260), (1260, 54376), (1440, 47579), (1470, 46608), (1568, 43695), (1680, 40782), (1764, 38840), (1942, 35280), (1960, 34956), (2016, 33985), (2205, 31072), (2352, 29130), (2520, 27188), (2913, 23520), (2940, 23304), (3360, 20391), (3528, 19420), (3884, 17640), (3920, 17478), (4410, 15536), (4704, 14565), (4855, 14112), (5040, 13594), (5826, 11760), (5880, 11652), (6797, 10080), (7056, 9710), (7768, 8820), (7840, 8739)]