19963680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:247

約数の個数: 192

約数和(自身を含む): 72576000

約数和(自身を除く): 52612320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 96, 110, 114, 120, 132, 152, 160, 165, 176, 190, 199, 209, 220, 228, 240, 264, 285, 304, 330, 352, 380, 398, 418, 440, 456, 480, 528, 570, 597, 608, 627, 660, 760, 796, 836, 880, 912, 995, 1045, 1056, 1140, 1194, 1254, 1320, 1520, 1592, 1672, 1760, 1824, 1990, 2090, 2189, 2280, 2388, 2508, 2640, 2985, 3040, 3135, 3184, 3344, 3781, 3980, 4180, 4378, 4560, 4776, 5016, 5280, 5970, 6270, 6368, 6567, 6688, 7562, 7960, 8360, 8756, 9120, 9552, 10032, 10945, 11343, 11940, 12540, 13134, 15124, 15920, 16720, 17512, 18905, 19104, 20064, 21890, 22686, 23880, 25080, 26268, 30248, 31840, 32835, 33440, 35024, 37810, 41591, 43780, 45372, 47760, 50160, 52536, 56715, 60496, 65670, 70048, 75620, 83182, 87560, 90744, 95520, 100320, 105072, 113430, 120992, 124773, 131340, 151240, 166364, 175120, 181488, 207955, 210144, 226860, 249546, 262680, 302480, 332728, 350240, 362976, 415910, 453720, 499092, 525360, 604960, 623865, 665456, 831820, 907440, 998184, 1050720, 1247730, 1330912, 1663640, 1814880, 1996368, 2495460, 3327280, 3992736, 4990920, 6654560, 9981840, 19963680]

約数ペア:

[(1, 19963680), (2, 9981840), (3, 6654560), (4, 4990920), (5, 3992736), (6, 3327280), (8, 2495460), (10, 1996368), (11, 1814880), (12, 1663640), (15, 1330912), (16, 1247730), (19, 1050720), (20, 998184), (22, 907440), (24, 831820), (30, 665456), (32, 623865), (33, 604960), (38, 525360), (40, 499092), (44, 453720), (48, 415910), (55, 362976), (57, 350240), (60, 332728), (66, 302480), (76, 262680), (80, 249546), (88, 226860), (95, 210144), (96, 207955), (110, 181488), (114, 175120), (120, 166364), (132, 151240), (152, 131340), (160, 124773), (165, 120992), (176, 113430), (190, 105072), (199, 100320), (209, 95520), (220, 90744), (228, 87560), (240, 83182), (264, 75620), (285, 70048), (304, 65670), (330, 60496), (352, 56715), (380, 52536), (398, 50160), (418, 47760), (440, 45372), (456, 43780), (480, 41591), (528, 37810), (570, 35024), (597, 33440), (608, 32835), (627, 31840), (660, 30248), (760, 26268), (796, 25080), (836, 23880), (880, 22686), (912, 21890), (995, 20064), (1045, 19104), (1056, 18905), (1140, 17512), (1194, 16720), (1254, 15920), (1320, 15124), (1520, 13134), (1592, 12540), (1672, 11940), (1760, 11343), (1824, 10945), (1990, 10032), (2090, 9552), (2189, 9120), (2280, 8756), (2388, 8360), (2508, 7960), (2640, 7562), (2985, 6688), (3040, 6567), (3135, 6368), (3184, 6270), (3344, 5970), (3781, 5280), (3980, 5016), (4180, 4776), (4378, 4560)]