20708565120

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{189223}}^1$

素因数の和:189267

約数の個数: 192

約数和(自身を含む): 75273307200

約数和(自身を除く): 54564742080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 360, 380, 384, 456, 480, 570, 576, 608, 640, 684, 720, 760, 855, 912, 960, 1140, 1152, 1216, 1368, 1440, 1520, 1710, 1824, 1920, 2280, 2432, 2736, 2880, 3040, 3420, 3648, 4560, 5472, 5760, 6080, 6840, 7296, 9120, 10944, 12160, 13680, 18240, 21888, 27360, 36480, 54720, 109440, 189223, 378446, 567669, 756892, 946115, 1135338, 1513784, 1703007, 1892230, 2270676, 2838345, 3027568, 3406014, 3595237, 3784460, 4541352, 5676690, 6055136, 6812028, 7190474, 7568920, 8515035, 9082704, 10785711, 11353380, 12110272, 13624056, 14380948, 15137840, 17030070, 17976185, 18165408, 21571422, 22706760, 24220544, 27248112, 28761896, 30275680, 32357133, 34060140, 35952370, 36330816, 43142844, 45413520, 53928555, 54496224, 57523792, 60551360, 64714266, 68120280, 71904740, 72661632, 86285688, 90827040, 107857110, 108992448, 115047584, 121102720, 129428532, 136240560, 143809480, 161785665, 172571376, 181654080, 215714220, 217984896, 230095168, 258857064, 272481120, 287618960, 323571330, 345142752, 363308160, 431428440, 460190336, 517714128, 544962240, 575237920, 647142660, 690285504, 862856880, 1035428256, 1089924480, 1150475840, 1294285320, 1380571008, 1725713760, 2070856512, 2300951680, 2588570640, 3451427520, 4141713024, 5177141280, 6902855040, 10354282560, 20708565120]

約数ペア:

[(1, 20708565120), (2, 10354282560), (3, 6902855040), (4, 5177141280), (5, 4141713024), (6, 3451427520), (8, 2588570640), (9, 2300951680), (10, 2070856512), (12, 1725713760), (15, 1380571008), (16, 1294285320), (18, 1150475840), (19, 1089924480), (20, 1035428256), (24, 862856880), (30, 690285504), (32, 647142660), (36, 575237920), (38, 544962240), (40, 517714128), (45, 460190336), (48, 431428440), (57, 363308160), (60, 345142752), (64, 323571330), (72, 287618960), (76, 272481120), (80, 258857064), (90, 230095168), (95, 217984896), (96, 215714220), (114, 181654080), (120, 172571376), (128, 161785665), (144, 143809480), (152, 136240560), (160, 129428532), (171, 121102720), (180, 115047584), (190, 108992448), (192, 107857110), (228, 90827040), (240, 86285688), (285, 72661632), (288, 71904740), (304, 68120280), (320, 64714266), (342, 60551360), (360, 57523792), (380, 54496224), (384, 53928555), (456, 45413520), (480, 43142844), (570, 36330816), (576, 35952370), (608, 34060140), (640, 32357133), (684, 30275680), (720, 28761896), (760, 27248112), (855, 24220544), (912, 22706760), (960, 21571422), (1140, 18165408), (1152, 17976185), (1216, 17030070), (1368, 15137840), (1440, 14380948), (1520, 13624056), (1710, 12110272), (1824, 11353380), (1920, 10785711), (2280, 9082704), (2432, 8515035), (2736, 7568920), (2880, 7190474), (3040, 6812028), (3420, 6055136), (3648, 5676690), (4560, 4541352), (5472, 3784460), (5760, 3595237), (6080, 3406014), (6840, 3027568), (7296, 2838345), (9120, 2270676), (10944, 1892230), (12160, 1703007), (13680, 1513784), (18240, 1135338), (21888, 946115), (27360, 756892), (36480, 567669), (54720, 378446), (109440, 189223)]