208567920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:623

約数の個数: 160

約数和(自身を含む): 710668800

約数和(自身を除く): 502100880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 199, 220, 240, 264, 330, 397, 398, 440, 528, 597, 660, 794, 796, 880, 995, 1191, 1194, 1320, 1588, 1592, 1985, 1990, 2189, 2382, 2388, 2640, 2985, 3176, 3184, 3970, 3980, 4367, 4378, 4764, 4776, 5955, 5970, 6352, 6567, 7940, 7960, 8734, 8756, 9528, 9552, 10945, 11910, 11940, 13101, 13134, 15880, 15920, 17468, 17512, 19056, 21835, 21890, 23820, 23880, 26202, 26268, 31760, 32835, 34936, 35024, 43670, 43780, 47640, 47760, 52404, 52536, 65505, 65670, 69872, 79003, 87340, 87560, 95280, 104808, 105072, 131010, 131340, 158006, 174680, 175120, 209616, 237009, 262020, 262680, 316012, 349360, 395015, 474018, 524040, 525360, 632024, 790030, 869033, 948036, 1048080, 1185045, 1264048, 1580060, 1738066, 1896072, 2370090, 2607099, 3160120, 3476132, 3792144, 4345165, 4740180, 5214198, 6320240, 6952264, 8690330, 9480360, 10428396, 13035495, 13904528, 17380660, 18960720, 20856792, 26070990, 34761320, 41713584, 52141980, 69522640, 104283960, 208567920]

約数ペア:

[(1, 208567920), (2, 104283960), (3, 69522640), (4, 52141980), (5, 41713584), (6, 34761320), (8, 26070990), (10, 20856792), (11, 18960720), (12, 17380660), (15, 13904528), (16, 13035495), (20, 10428396), (22, 9480360), (24, 8690330), (30, 6952264), (33, 6320240), (40, 5214198), (44, 4740180), (48, 4345165), (55, 3792144), (60, 3476132), (66, 3160120), (80, 2607099), (88, 2370090), (110, 1896072), (120, 1738066), (132, 1580060), (165, 1264048), (176, 1185045), (199, 1048080), (220, 948036), (240, 869033), (264, 790030), (330, 632024), (397, 525360), (398, 524040), (440, 474018), (528, 395015), (597, 349360), (660, 316012), (794, 262680), (796, 262020), (880, 237009), (995, 209616), (1191, 175120), (1194, 174680), (1320, 158006), (1588, 131340), (1592, 131010), (1985, 105072), (1990, 104808), (2189, 95280), (2382, 87560), (2388, 87340), (2640, 79003), (2985, 69872), (3176, 65670), (3184, 65505), (3970, 52536), (3980, 52404), (4367, 47760), (4378, 47640), (4764, 43780), (4776, 43670), (5955, 35024), (5970, 34936), (6352, 32835), (6567, 31760), (7940, 26268), (7960, 26202), (8734, 23880), (8756, 23820), (9528, 21890), (9552, 21835), (10945, 19056), (11910, 17512), (11940, 17468), (13101, 15920), (13134, 15880)]