205979520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1511}}^1$

素因数の和:1604

約数の個数: 128

約数和(自身を含む): 666247680

約数和(自身を除く): 460268160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 213, 240, 284, 320, 355, 384, 426, 480, 568, 640, 710, 852, 960, 1065, 1136, 1420, 1511, 1704, 1920, 2130, 2272, 2840, 3022, 3408, 4260, 4533, 4544, 5680, 6044, 6816, 7555, 8520, 9066, 9088, 11360, 12088, 13632, 15110, 17040, 18132, 22665, 22720, 24176, 27264, 30220, 34080, 36264, 45330, 45440, 48352, 60440, 68160, 72528, 90660, 96704, 107281, 120880, 136320, 145056, 181320, 193408, 214562, 241760, 290112, 321843, 362640, 429124, 483520, 536405, 580224, 643686, 725280, 858248, 967040, 1072810, 1287372, 1450560, 1609215, 1716496, 2145620, 2574744, 2901120, 3218430, 3432992, 4291240, 5149488, 6436860, 6865984, 8582480, 10298976, 12873720, 13731968, 17164960, 20597952, 25747440, 34329920, 41195904, 51494880, 68659840, 102989760, 205979520]

約数ペア:

[(1, 205979520), (2, 102989760), (3, 68659840), (4, 51494880), (5, 41195904), (6, 34329920), (8, 25747440), (10, 20597952), (12, 17164960), (15, 13731968), (16, 12873720), (20, 10298976), (24, 8582480), (30, 6865984), (32, 6436860), (40, 5149488), (48, 4291240), (60, 3432992), (64, 3218430), (71, 2901120), (80, 2574744), (96, 2145620), (120, 1716496), (128, 1609215), (142, 1450560), (160, 1287372), (192, 1072810), (213, 967040), (240, 858248), (284, 725280), (320, 643686), (355, 580224), (384, 536405), (426, 483520), (480, 429124), (568, 362640), (640, 321843), (710, 290112), (852, 241760), (960, 214562), (1065, 193408), (1136, 181320), (1420, 145056), (1511, 136320), (1704, 120880), (1920, 107281), (2130, 96704), (2272, 90660), (2840, 72528), (3022, 68160), (3408, 60440), (4260, 48352), (4533, 45440), (4544, 45330), (5680, 36264), (6044, 34080), (6816, 30220), (7555, 27264), (8520, 24176), (9066, 22720), (9088, 22665), (11360, 18132), (12088, 17040), (13632, 15110)]