20983806720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{95869}}^1$

素因数の和:95915

約数の個数: 216

約数和(自身を含む): 76423729200

約数和(自身を除く): 55439922480

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, 256, 285, 288, 304, 320, 342, 360, 380, 384, 456, 480, 570, 576, 608, 640, 684, 720, 760, 768, 855, 912, 960, 1140, 1152, 1216, 1280, 1368, 1440, 1520, 1710, 1824, 1920, 2280, 2304, 2432, 2736, 2880, 3040, 3420, 3648, 3840, 4560, 4864, 5472, 5760, 6080, 6840, 7296, 9120, 10944, 11520, 12160, 13680, 14592, 18240, 21888, 24320, 27360, 36480, 43776, 54720, 72960, 95869, 109440, 191738, 218880, 287607, 383476, 479345, 575214, 766952, 862821, 958690, 1150428, 1438035, 1533904, 1725642, 1821511, 1917380, 2300856, 2876070, 3067808, 3451284, 3643022, 3834760, 4314105, 4601712, 5464533, 5752140, 6135616, 6902568, 7286044, 7669520, 8628210, 9107555, 9203424, 10929066, 11504280, 12271232, 13805136, 14572088, 15339040, 16393599, 17256420, 18215110, 18406848, 21858132, 23008560, 24542464, 27322665, 27610272, 29144176, 30678080, 32787198, 34512840, 36430220, 36813696, 43716264, 46017120, 54645330, 55220544, 58288352, 61356160, 65574396, 69025680, 72860440, 73627392, 81967995, 87432528, 92034240, 109290660, 110441088, 116576704, 122712320, 131148792, 138051360, 145720880, 163935990, 174865056, 184068480, 218581320, 220882176, 233153408, 262297584, 276102720, 291441760, 327871980, 349730112, 368136960, 437162640, 466306816, 524595168, 552205440, 582883520, 655743960, 699460224, 874325280, 1049190336, 1104410880, 1165767040, 1311487920, 1398920448, 1748650560, 2098380672, 2331534080, 2622975840, 3497301120, 4196761344, 5245951680, 6994602240, 10491903360, 20983806720]

約数ペア:

[(1, 20983806720), (2, 10491903360), (3, 6994602240), (4, 5245951680), (5, 4196761344), (6, 3497301120), (8, 2622975840), (9, 2331534080), (10, 2098380672), (12, 1748650560), (15, 1398920448), (16, 1311487920), (18, 1165767040), (19, 1104410880), (20, 1049190336), (24, 874325280), (30, 699460224), (32, 655743960), (36, 582883520), (38, 552205440), (40, 524595168), (45, 466306816), (48, 437162640), (57, 368136960), (60, 349730112), (64, 327871980), (72, 291441760), (76, 276102720), (80, 262297584), (90, 233153408), (95, 220882176), (96, 218581320), (114, 184068480), (120, 174865056), (128, 163935990), (144, 145720880), (152, 138051360), (160, 131148792), (171, 122712320), (180, 116576704), (190, 110441088), (192, 109290660), (228, 92034240), (240, 87432528), (256, 81967995), (285, 73627392), (288, 72860440), (304, 69025680), (320, 65574396), (342, 61356160), (360, 58288352), (380, 55220544), (384, 54645330), (456, 46017120), (480, 43716264), (570, 36813696), (576, 36430220), (608, 34512840), (640, 32787198), (684, 30678080), (720, 29144176), (760, 27610272), (768, 27322665), (855, 24542464), (912, 23008560), (960, 21858132), (1140, 18406848), (1152, 18215110), (1216, 17256420), (1280, 16393599), (1368, 15339040), (1440, 14572088), (1520, 13805136), (1710, 12271232), (1824, 11504280), (1920, 10929066), (2280, 9203424), (2304, 9107555), (2432, 8628210), (2736, 7669520), (2880, 7286044), (3040, 6902568), (3420, 6135616), (3648, 5752140), (3840, 5464533), (4560, 4601712), (4864, 4314105), (5472, 3834760), (5760, 3643022), (6080, 3451284), (6840, 3067808), (7296, 2876070), (9120, 2300856), (10944, 1917380), (11520, 1821511), (12160, 1725642), (13680, 1533904), (14592, 1438035), (18240, 1150428), (21888, 958690), (24320, 862821), (27360, 766952), (36480, 575214), (43776, 479345), (54720, 383476), (72960, 287607), (95869, 218880), (109440, 191738)]