1865573280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{257}}^1$

素因数の和:420

約数の個数: 216

約数和(自身を含む): 6482322756

約数和(自身を除く): 4616749476

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, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 257, 284, 288, 355, 360, 426, 480, 514, 568, 639, 710, 720, 771, 852, 1028, 1065, 1136, 1278, 1285, 1420, 1440, 1542, 1704, 2056, 2130, 2272, 2313, 2556, 2570, 2840, 3084, 3195, 3408, 3855, 4112, 4260, 4626, 5041, 5112, 5140, 5680, 6168, 6390, 6816, 7710, 8224, 8520, 9252, 10082, 10224, 10280, 11360, 11565, 12336, 12780, 15123, 15420, 17040, 18247, 18504, 20164, 20448, 20560, 23130, 24672, 25205, 25560, 30246, 30840, 34080, 36494, 37008, 40328, 41120, 45369, 46260, 50410, 51120, 54741, 60492, 61680, 72988, 74016, 75615, 80656, 90738, 91235, 92520, 100820, 102240, 109482, 120984, 123360, 145976, 151230, 161312, 164223, 181476, 182470, 185040, 201640, 218964, 226845, 241968, 273705, 291952, 302460, 328446, 362952, 364940, 370080, 403280, 437928, 453690, 483936, 547410, 583904, 604920, 656892, 725904, 729880, 806560, 821115, 875856, 907380, 1094820, 1209840, 1295537, 1313784, 1451808, 1459760, 1642230, 1751712, 1814760, 2189640, 2419680, 2591074, 2627568, 2919520, 3284460, 3629520, 3886611, 4379280, 5182148, 5255136, 6477685, 6568920, 7259040, 7773222, 8758560, 10364296, 11659833, 12955370, 13137840, 15546444, 19433055, 20728592, 23319666, 25910740, 26275680, 31092888, 38866110, 41457184, 46639332, 51821480, 58299165, 62185776, 77732220, 93278664, 103642960, 116598330, 124371552, 155464440, 186557328, 207285920, 233196660, 310928880, 373114656, 466393320, 621857760, 932786640, 1865573280]

約数ペア:

[(1, 1865573280), (2, 932786640), (3, 621857760), (4, 466393320), (5, 373114656), (6, 310928880), (8, 233196660), (9, 207285920), (10, 186557328), (12, 155464440), (15, 124371552), (16, 116598330), (18, 103642960), (20, 93278664), (24, 77732220), (30, 62185776), (32, 58299165), (36, 51821480), (40, 46639332), (45, 41457184), (48, 38866110), (60, 31092888), (71, 26275680), (72, 25910740), (80, 23319666), (90, 20728592), (96, 19433055), (120, 15546444), (142, 13137840), (144, 12955370), (160, 11659833), (180, 10364296), (213, 8758560), (240, 7773222), (257, 7259040), (284, 6568920), (288, 6477685), (355, 5255136), (360, 5182148), (426, 4379280), (480, 3886611), (514, 3629520), (568, 3284460), (639, 2919520), (710, 2627568), (720, 2591074), (771, 2419680), (852, 2189640), (1028, 1814760), (1065, 1751712), (1136, 1642230), (1278, 1459760), (1285, 1451808), (1420, 1313784), (1440, 1295537), (1542, 1209840), (1704, 1094820), (2056, 907380), (2130, 875856), (2272, 821115), (2313, 806560), (2556, 729880), (2570, 725904), (2840, 656892), (3084, 604920), (3195, 583904), (3408, 547410), (3855, 483936), (4112, 453690), (4260, 437928), (4626, 403280), (5041, 370080), (5112, 364940), (5140, 362952), (5680, 328446), (6168, 302460), (6390, 291952), (6816, 273705), (7710, 241968), (8224, 226845), (8520, 218964), (9252, 201640), (10082, 185040), (10224, 182470), (10280, 181476), (11360, 164223), (11565, 161312), (12336, 151230), (12780, 145976), (15123, 123360), (15420, 120984), (17040, 109482), (18247, 102240), (18504, 100820), (20164, 92520), (20448, 91235), (20560, 90738), (23130, 80656), (24672, 75615), (25205, 74016), (25560, 72988), (30246, 61680), (30840, 60492), (34080, 54741), (36494, 51120), (37008, 50410), (40328, 46260), (41120, 45369)]