18712800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:162

約数の個数: 216

約数和(自身を含む): 69464304

約数和(自身を除く): 50751504

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 30, 32, 36, 40, 45, 46, 48, 50, 60, 69, 72, 75, 80, 90, 92, 96, 100, 113, 115, 120, 138, 144, 150, 160, 180, 184, 200, 207, 225, 226, 230, 240, 276, 288, 300, 339, 345, 360, 368, 400, 414, 450, 452, 460, 480, 552, 565, 575, 600, 678, 690, 720, 736, 800, 828, 900, 904, 920, 1017, 1035, 1104, 1130, 1150, 1200, 1356, 1380, 1440, 1656, 1695, 1725, 1800, 1808, 1840, 2034, 2070, 2208, 2260, 2300, 2400, 2599, 2712, 2760, 2825, 3312, 3390, 3450, 3600, 3616, 3680, 4068, 4140, 4520, 4600, 5085, 5175, 5198, 5424, 5520, 5650, 6624, 6780, 6900, 7200, 7797, 8136, 8280, 8475, 9040, 9200, 10170, 10350, 10396, 10848, 11040, 11300, 12995, 13560, 13800, 15594, 16272, 16560, 16950, 18080, 18400, 20340, 20700, 20792, 22600, 23391, 25425, 25990, 27120, 27600, 31188, 32544, 33120, 33900, 38985, 40680, 41400, 41584, 45200, 46782, 50850, 51980, 54240, 55200, 62376, 64975, 67800, 77970, 81360, 82800, 83168, 90400, 93564, 101700, 103960, 116955, 124752, 129950, 135600, 155940, 162720, 165600, 187128, 194925, 203400, 207920, 233910, 249504, 259900, 271200, 311880, 374256, 389850, 406800, 415840, 467820, 519800, 584775, 623760, 748512, 779700, 813600, 935640, 1039600, 1169550, 1247520, 1559400, 1871280, 2079200, 2339100, 3118800, 3742560, 4678200, 6237600, 9356400, 18712800]

約数ペア:

[(1, 18712800), (2, 9356400), (3, 6237600), (4, 4678200), (5, 3742560), (6, 3118800), (8, 2339100), (9, 2079200), (10, 1871280), (12, 1559400), (15, 1247520), (16, 1169550), (18, 1039600), (20, 935640), (23, 813600), (24, 779700), (25, 748512), (30, 623760), (32, 584775), (36, 519800), (40, 467820), (45, 415840), (46, 406800), (48, 389850), (50, 374256), (60, 311880), (69, 271200), (72, 259900), (75, 249504), (80, 233910), (90, 207920), (92, 203400), (96, 194925), (100, 187128), (113, 165600), (115, 162720), (120, 155940), (138, 135600), (144, 129950), (150, 124752), (160, 116955), (180, 103960), (184, 101700), (200, 93564), (207, 90400), (225, 83168), (226, 82800), (230, 81360), (240, 77970), (276, 67800), (288, 64975), (300, 62376), (339, 55200), (345, 54240), (360, 51980), (368, 50850), (400, 46782), (414, 45200), (450, 41584), (452, 41400), (460, 40680), (480, 38985), (552, 33900), (565, 33120), (575, 32544), (600, 31188), (678, 27600), (690, 27120), (720, 25990), (736, 25425), (800, 23391), (828, 22600), (900, 20792), (904, 20700), (920, 20340), (1017, 18400), (1035, 18080), (1104, 16950), (1130, 16560), (1150, 16272), (1200, 15594), (1356, 13800), (1380, 13560), (1440, 12995), (1656, 11300), (1695, 11040), (1725, 10848), (1800, 10396), (1808, 10350), (1840, 10170), (2034, 9200), (2070, 9040), (2208, 8475), (2260, 8280), (2300, 8136), (2400, 7797), (2599, 7200), (2712, 6900), (2760, 6780), (2825, 6624), (3312, 5650), (3390, 5520), (3450, 5424), (3600, 5198), (3616, 5175), (3680, 5085), (4068, 4600), (4140, 4520)]