81383040

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:295

約数の個数: 192

約数和(自身を含む): 286416000

約数和(自身を除く): 205032960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 120, 128, 142, 144, 160, 180, 192, 199, 213, 240, 284, 288, 320, 355, 360, 384, 398, 426, 480, 568, 576, 597, 639, 640, 710, 720, 796, 852, 960, 995, 1065, 1136, 1152, 1194, 1278, 1420, 1440, 1592, 1704, 1791, 1920, 1990, 2130, 2272, 2388, 2556, 2840, 2880, 2985, 3184, 3195, 3408, 3582, 3980, 4260, 4544, 4776, 5112, 5680, 5760, 5970, 6368, 6390, 6816, 7164, 7960, 8520, 8955, 9088, 9552, 10224, 11360, 11940, 12736, 12780, 13632, 14129, 14328, 15920, 17040, 17910, 19104, 20448, 22720, 23880, 25472, 25560, 27264, 28258, 28656, 31840, 34080, 35820, 38208, 40896, 42387, 45440, 47760, 51120, 56516, 57312, 63680, 68160, 70645, 71640, 76416, 81792, 84774, 95520, 102240, 113032, 114624, 127161, 127360, 136320, 141290, 143280, 169548, 191040, 204480, 211935, 226064, 229248, 254322, 282580, 286560, 339096, 382080, 408960, 423870, 452128, 508644, 565160, 573120, 635805, 678192, 847740, 904256, 1017288, 1130320, 1146240, 1271610, 1356384, 1695480, 1808512, 2034576, 2260640, 2543220, 2712768, 3390960, 4069152, 4521280, 5086440, 5425536, 6781920, 8138304, 9042560, 10172880, 13563840, 16276608, 20345760, 27127680, 40691520, 81383040]

約数ペア:

[(1, 81383040), (2, 40691520), (3, 27127680), (4, 20345760), (5, 16276608), (6, 13563840), (8, 10172880), (9, 9042560), (10, 8138304), (12, 6781920), (15, 5425536), (16, 5086440), (18, 4521280), (20, 4069152), (24, 3390960), (30, 2712768), (32, 2543220), (36, 2260640), (40, 2034576), (45, 1808512), (48, 1695480), (60, 1356384), (64, 1271610), (71, 1146240), (72, 1130320), (80, 1017288), (90, 904256), (96, 847740), (120, 678192), (128, 635805), (142, 573120), (144, 565160), (160, 508644), (180, 452128), (192, 423870), (199, 408960), (213, 382080), (240, 339096), (284, 286560), (288, 282580), (320, 254322), (355, 229248), (360, 226064), (384, 211935), (398, 204480), (426, 191040), (480, 169548), (568, 143280), (576, 141290), (597, 136320), (639, 127360), (640, 127161), (710, 114624), (720, 113032), (796, 102240), (852, 95520), (960, 84774), (995, 81792), (1065, 76416), (1136, 71640), (1152, 70645), (1194, 68160), (1278, 63680), (1420, 57312), (1440, 56516), (1592, 51120), (1704, 47760), (1791, 45440), (1920, 42387), (1990, 40896), (2130, 38208), (2272, 35820), (2388, 34080), (2556, 31840), (2840, 28656), (2880, 28258), (2985, 27264), (3184, 25560), (3195, 25472), (3408, 23880), (3582, 22720), (3980, 20448), (4260, 19104), (4544, 17910), (4776, 17040), (5112, 15920), (5680, 14328), (5760, 14129), (5970, 13632), (6368, 12780), (6390, 12736), (6816, 11940), (7164, 11360), (7960, 10224), (8520, 9552), (8955, 9088)]