255809520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 240

約数和(自身を含む): 904680192

約数和(自身を除く): 648870672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 73, 80, 90, 93, 120, 124, 144, 146, 155, 157, 180, 186, 219, 240, 248, 279, 292, 310, 314, 360, 365, 372, 438, 465, 471, 496, 558, 584, 620, 628, 657, 720, 730, 744, 785, 876, 930, 942, 1095, 1116, 1168, 1240, 1256, 1314, 1395, 1413, 1460, 1488, 1570, 1752, 1860, 1884, 2190, 2232, 2263, 2355, 2480, 2512, 2628, 2790, 2826, 2920, 3140, 3285, 3504, 3720, 3768, 4380, 4464, 4526, 4710, 4867, 5256, 5580, 5652, 5840, 6280, 6570, 6789, 7065, 7440, 7536, 8760, 9052, 9420, 9734, 10512, 11160, 11304, 11315, 11461, 12560, 13140, 13578, 14130, 14601, 17520, 18104, 18840, 19468, 20367, 22320, 22608, 22630, 22922, 24335, 26280, 27156, 28260, 29202, 33945, 34383, 36208, 37680, 38936, 40734, 43803, 45260, 45844, 48670, 52560, 54312, 56520, 57305, 58404, 67890, 68766, 73005, 77872, 81468, 87606, 90520, 91688, 97340, 101835, 103149, 108624, 113040, 114610, 116808, 135780, 137532, 146010, 162936, 171915, 175212, 181040, 183376, 194680, 203670, 206298, 219015, 229220, 233616, 271560, 275064, 292020, 325872, 343830, 350424, 355291, 389360, 407340, 412596, 438030, 458440, 515745, 543120, 550128, 584040, 687660, 700848, 710582, 814680, 825192, 876060, 916880, 1031490, 1065873, 1168080, 1375320, 1421164, 1629360, 1650384, 1752120, 1776455, 2062980, 2131746, 2750640, 2842328, 3197619, 3504240, 3552910, 4125960, 4263492, 5329365, 5684656, 6395238, 7105820, 8251920, 8526984, 10658730, 12790476, 14211640, 15988095, 17053968, 21317460, 25580952, 28423280, 31976190, 42634920, 51161904, 63952380, 85269840, 127904760, 255809520]

約数ペア:

[(1, 255809520), (2, 127904760), (3, 85269840), (4, 63952380), (5, 51161904), (6, 42634920), (8, 31976190), (9, 28423280), (10, 25580952), (12, 21317460), (15, 17053968), (16, 15988095), (18, 14211640), (20, 12790476), (24, 10658730), (30, 8526984), (31, 8251920), (36, 7105820), (40, 6395238), (45, 5684656), (48, 5329365), (60, 4263492), (62, 4125960), (72, 3552910), (73, 3504240), (80, 3197619), (90, 2842328), (93, 2750640), (120, 2131746), (124, 2062980), (144, 1776455), (146, 1752120), (155, 1650384), (157, 1629360), (180, 1421164), (186, 1375320), (219, 1168080), (240, 1065873), (248, 1031490), (279, 916880), (292, 876060), (310, 825192), (314, 814680), (360, 710582), (365, 700848), (372, 687660), (438, 584040), (465, 550128), (471, 543120), (496, 515745), (558, 458440), (584, 438030), (620, 412596), (628, 407340), (657, 389360), (720, 355291), (730, 350424), (744, 343830), (785, 325872), (876, 292020), (930, 275064), (942, 271560), (1095, 233616), (1116, 229220), (1168, 219015), (1240, 206298), (1256, 203670), (1314, 194680), (1395, 183376), (1413, 181040), (1460, 175212), (1488, 171915), (1570, 162936), (1752, 146010), (1860, 137532), (1884, 135780), (2190, 116808), (2232, 114610), (2263, 113040), (2355, 108624), (2480, 103149), (2512, 101835), (2628, 97340), (2790, 91688), (2826, 90520), (2920, 87606), (3140, 81468), (3285, 77872), (3504, 73005), (3720, 68766), (3768, 67890), (4380, 58404), (4464, 57305), (4526, 56520), (4710, 54312), (4867, 52560), (5256, 48670), (5580, 45844), (5652, 45260), (5840, 43803), (6280, 40734), (6570, 38936), (6789, 37680), (7065, 36208), (7440, 34383), (7536, 33945), (8760, 29202), (9052, 28260), (9420, 27156), (9734, 26280), (10512, 24335), (11160, 22922), (11304, 22630), (11315, 22608), (11461, 22320), (12560, 20367), (13140, 19468), (13578, 18840), (14130, 18104), (14601, 17520)]