320355960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 256

約数和(自身を含む): 1088640000

約数和(自身を除く): 768284040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 41, 46, 57, 60, 69, 76, 82, 92, 95, 114, 115, 120, 123, 138, 149, 152, 164, 184, 190, 205, 228, 230, 246, 276, 285, 298, 328, 345, 380, 410, 437, 447, 456, 460, 492, 552, 570, 596, 615, 690, 745, 760, 779, 820, 874, 894, 920, 943, 984, 1140, 1192, 1230, 1311, 1380, 1490, 1558, 1640, 1748, 1788, 1886, 2185, 2235, 2280, 2337, 2460, 2622, 2760, 2829, 2831, 2980, 3116, 3427, 3496, 3576, 3772, 3895, 4370, 4470, 4674, 4715, 4920, 5244, 5658, 5662, 5960, 6109, 6232, 6555, 6854, 7544, 7790, 8493, 8740, 8940, 9348, 9430, 10281, 10488, 11316, 11324, 11685, 12218, 13110, 13708, 14145, 14155, 15580, 16986, 17135, 17480, 17880, 17917, 18327, 18696, 18860, 20562, 22632, 22648, 23370, 24436, 26220, 27416, 28290, 28310, 30545, 31160, 33972, 34270, 35834, 36654, 37720, 41124, 42465, 46740, 48872, 51405, 52440, 53751, 56580, 56620, 61090, 65113, 67944, 68540, 71668, 73308, 82248, 84930, 89585, 91635, 93480, 102810, 107502, 113160, 113240, 116071, 122180, 130226, 137080, 140507, 143336, 146616, 169860, 179170, 183270, 195339, 205620, 215004, 232142, 244360, 260452, 268755, 281014, 325565, 339720, 348213, 358340, 366540, 390678, 411240, 421521, 430008, 464284, 520904, 537510, 562028, 580355, 651130, 696426, 702535, 716680, 733080, 781356, 843042, 928568, 976695, 1075020, 1124056, 1160710, 1302260, 1392852, 1405070, 1562712, 1686084, 1741065, 1953390, 2107605, 2150040, 2321420, 2604520, 2669633, 2785704, 2810140, 3372168, 3482130, 3906780, 4215210, 4642840, 5339266, 5620280, 6964260, 7813560, 8008899, 8430420, 10678532, 13348165, 13928520, 16017798, 16860840, 21357064, 26696330, 32035596, 40044495, 53392660, 64071192, 80088990, 106785320, 160177980, 320355960]

約数ペア:

[(1, 320355960), (2, 160177980), (3, 106785320), (4, 80088990), (5, 64071192), (6, 53392660), (8, 40044495), (10, 32035596), (12, 26696330), (15, 21357064), (19, 16860840), (20, 16017798), (23, 13928520), (24, 13348165), (30, 10678532), (38, 8430420), (40, 8008899), (41, 7813560), (46, 6964260), (57, 5620280), (60, 5339266), (69, 4642840), (76, 4215210), (82, 3906780), (92, 3482130), (95, 3372168), (114, 2810140), (115, 2785704), (120, 2669633), (123, 2604520), (138, 2321420), (149, 2150040), (152, 2107605), (164, 1953390), (184, 1741065), (190, 1686084), (205, 1562712), (228, 1405070), (230, 1392852), (246, 1302260), (276, 1160710), (285, 1124056), (298, 1075020), (328, 976695), (345, 928568), (380, 843042), (410, 781356), (437, 733080), (447, 716680), (456, 702535), (460, 696426), (492, 651130), (552, 580355), (570, 562028), (596, 537510), (615, 520904), (690, 464284), (745, 430008), (760, 421521), (779, 411240), (820, 390678), (874, 366540), (894, 358340), (920, 348213), (943, 339720), (984, 325565), (1140, 281014), (1192, 268755), (1230, 260452), (1311, 244360), (1380, 232142), (1490, 215004), (1558, 205620), (1640, 195339), (1748, 183270), (1788, 179170), (1886, 169860), (2185, 146616), (2235, 143336), (2280, 140507), (2337, 137080), (2460, 130226), (2622, 122180), (2760, 116071), (2829, 113240), (2831, 113160), (2980, 107502), (3116, 102810), (3427, 93480), (3496, 91635), (3576, 89585), (3772, 84930), (3895, 82248), (4370, 73308), (4470, 71668), (4674, 68540), (4715, 67944), (4920, 65113), (5244, 61090), (5658, 56620), (5662, 56580), (5960, 53751), (6109, 52440), (6232, 51405), (6555, 48872), (6854, 46740), (7544, 42465), (7790, 41124), (8493, 37720), (8740, 36654), (8940, 35834), (9348, 34270), (9430, 33972), (10281, 31160), (10488, 30545), (11316, 28310), (11324, 28290), (11685, 27416), (12218, 26220), (13110, 24436), (13708, 23370), (14145, 22648), (14155, 22632), (15580, 20562), (16986, 18860), (17135, 18696), (17480, 18327), (17880, 17917)]