311910840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1538

約数の個数: 192

約数和(自身を含む): 1102233600

約数和(自身を除く): 790322760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 57, 60, 62, 72, 76, 90, 93, 95, 114, 120, 124, 152, 155, 171, 180, 186, 190, 228, 248, 279, 285, 310, 342, 360, 372, 380, 456, 465, 558, 570, 589, 620, 684, 744, 760, 855, 930, 1116, 1140, 1178, 1240, 1368, 1395, 1471, 1710, 1767, 1860, 2232, 2280, 2356, 2790, 2942, 2945, 3420, 3534, 3720, 4413, 4712, 5301, 5580, 5884, 5890, 6840, 7068, 7355, 8826, 8835, 10602, 11160, 11768, 11780, 13239, 14136, 14710, 17652, 17670, 21204, 22065, 23560, 26478, 26505, 27949, 29420, 35304, 35340, 42408, 44130, 45601, 52956, 53010, 55898, 58840, 66195, 70680, 83847, 88260, 91202, 105912, 106020, 111796, 132390, 136803, 139745, 167694, 176520, 182404, 212040, 223592, 228005, 251541, 264780, 273606, 279490, 335388, 364808, 410409, 419235, 456010, 503082, 529560, 547212, 558980, 670776, 684015, 820818, 838470, 866419, 912020, 1006164, 1094424, 1117960, 1257705, 1368030, 1641636, 1676940, 1732838, 1824040, 2012328, 2052045, 2515410, 2599257, 2736060, 3283272, 3353880, 3465676, 4104090, 4332095, 5030820, 5198514, 5472120, 6931352, 7797771, 8208180, 8664190, 10061640, 10397028, 12996285, 15595542, 16416360, 17328380, 20794056, 25992570, 31191084, 34656760, 38988855, 51985140, 62382168, 77977710, 103970280, 155955420, 311910840]

約数ペア:

[(1, 311910840), (2, 155955420), (3, 103970280), (4, 77977710), (5, 62382168), (6, 51985140), (8, 38988855), (9, 34656760), (10, 31191084), (12, 25992570), (15, 20794056), (18, 17328380), (19, 16416360), (20, 15595542), (24, 12996285), (30, 10397028), (31, 10061640), (36, 8664190), (38, 8208180), (40, 7797771), (45, 6931352), (57, 5472120), (60, 5198514), (62, 5030820), (72, 4332095), (76, 4104090), (90, 3465676), (93, 3353880), (95, 3283272), (114, 2736060), (120, 2599257), (124, 2515410), (152, 2052045), (155, 2012328), (171, 1824040), (180, 1732838), (186, 1676940), (190, 1641636), (228, 1368030), (248, 1257705), (279, 1117960), (285, 1094424), (310, 1006164), (342, 912020), (360, 866419), (372, 838470), (380, 820818), (456, 684015), (465, 670776), (558, 558980), (570, 547212), (589, 529560), (620, 503082), (684, 456010), (744, 419235), (760, 410409), (855, 364808), (930, 335388), (1116, 279490), (1140, 273606), (1178, 264780), (1240, 251541), (1368, 228005), (1395, 223592), (1471, 212040), (1710, 182404), (1767, 176520), (1860, 167694), (2232, 139745), (2280, 136803), (2356, 132390), (2790, 111796), (2942, 106020), (2945, 105912), (3420, 91202), (3534, 88260), (3720, 83847), (4413, 70680), (4712, 66195), (5301, 58840), (5580, 55898), (5884, 53010), (5890, 52956), (6840, 45601), (7068, 44130), (7355, 42408), (8826, 35340), (8835, 35304), (10602, 29420), (11160, 27949), (11768, 26505), (11780, 26478), (13239, 23560), (14136, 22065), (14710, 21204), (17652, 17670)]