256203600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:718

約数の個数: 240

約数和(自身を含む): 916102080

約数和(自身を除く): 659898480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 25, 30, 34, 38, 40, 48, 50, 51, 57, 60, 68, 75, 76, 80, 85, 95, 100, 102, 114, 120, 136, 150, 152, 170, 190, 200, 204, 228, 240, 255, 272, 285, 300, 304, 323, 340, 380, 400, 408, 425, 456, 475, 510, 570, 600, 646, 661, 680, 760, 816, 850, 912, 950, 969, 1020, 1140, 1200, 1275, 1292, 1322, 1360, 1425, 1520, 1615, 1700, 1900, 1938, 1983, 2040, 2280, 2550, 2584, 2644, 2850, 3230, 3305, 3400, 3800, 3876, 3966, 4080, 4560, 4845, 5100, 5168, 5288, 5700, 6460, 6610, 6800, 7600, 7752, 7932, 8075, 9690, 9915, 10200, 10576, 11237, 11400, 12559, 12920, 13220, 15504, 15864, 16150, 16525, 19380, 19830, 20400, 22474, 22800, 24225, 25118, 25840, 26440, 31728, 32300, 33050, 33711, 37677, 38760, 39660, 44948, 48450, 49575, 50236, 52880, 56185, 62795, 64600, 66100, 67422, 75354, 77520, 79320, 89896, 96900, 99150, 100472, 112370, 125590, 129200, 132200, 134844, 150708, 158640, 168555, 179792, 188385, 193800, 198300, 200944, 213503, 224740, 251180, 264400, 269688, 280925, 301416, 313975, 337110, 376770, 387600, 396600, 427006, 449480, 502360, 539376, 561850, 602832, 627950, 640509, 674220, 753540, 793200, 842775, 854012, 898960, 941925, 1004720, 1067515, 1123700, 1255900, 1281018, 1348440, 1507080, 1685550, 1708024, 1883850, 2135030, 2247400, 2511800, 2562036, 2696880, 3014160, 3202545, 3371100, 3416048, 3767700, 4270060, 4494800, 5023600, 5124072, 5337575, 6405090, 6742200, 7535400, 8540120, 10248144, 10675150, 12810180, 13484400, 15070800, 16012725, 17080240, 21350300, 25620360, 32025450, 42700600, 51240720, 64050900, 85401200, 128101800, 256203600]

約数ペア:

[(1, 256203600), (2, 128101800), (3, 85401200), (4, 64050900), (5, 51240720), (6, 42700600), (8, 32025450), (10, 25620360), (12, 21350300), (15, 17080240), (16, 16012725), (17, 15070800), (19, 13484400), (20, 12810180), (24, 10675150), (25, 10248144), (30, 8540120), (34, 7535400), (38, 6742200), (40, 6405090), (48, 5337575), (50, 5124072), (51, 5023600), (57, 4494800), (60, 4270060), (68, 3767700), (75, 3416048), (76, 3371100), (80, 3202545), (85, 3014160), (95, 2696880), (100, 2562036), (102, 2511800), (114, 2247400), (120, 2135030), (136, 1883850), (150, 1708024), (152, 1685550), (170, 1507080), (190, 1348440), (200, 1281018), (204, 1255900), (228, 1123700), (240, 1067515), (255, 1004720), (272, 941925), (285, 898960), (300, 854012), (304, 842775), (323, 793200), (340, 753540), (380, 674220), (400, 640509), (408, 627950), (425, 602832), (456, 561850), (475, 539376), (510, 502360), (570, 449480), (600, 427006), (646, 396600), (661, 387600), (680, 376770), (760, 337110), (816, 313975), (850, 301416), (912, 280925), (950, 269688), (969, 264400), (1020, 251180), (1140, 224740), (1200, 213503), (1275, 200944), (1292, 198300), (1322, 193800), (1360, 188385), (1425, 179792), (1520, 168555), (1615, 158640), (1700, 150708), (1900, 134844), (1938, 132200), (1983, 129200), (2040, 125590), (2280, 112370), (2550, 100472), (2584, 99150), (2644, 96900), (2850, 89896), (3230, 79320), (3305, 77520), (3400, 75354), (3800, 67422), (3876, 66100), (3966, 64600), (4080, 62795), (4560, 56185), (4845, 52880), (5100, 50236), (5168, 49575), (5288, 48450), (5700, 44948), (6460, 39660), (6610, 38760), (6800, 37677), (7600, 33711), (7752, 33050), (7932, 32300), (8075, 31728), (9690, 26440), (9915, 25840), (10200, 25118), (10576, 24225), (11237, 22800), (11400, 22474), (12559, 20400), (12920, 19830), (13220, 19380), (15504, 16525), (15864, 16150)]