205890840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1038

約数の個数: 192

約数和(自身を含む): 727833600

約数和(自身を除く): 521942760

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, 971, 1116, 1140, 1178, 1240, 1368, 1395, 1710, 1767, 1860, 1942, 2232, 2280, 2356, 2790, 2913, 2945, 3420, 3534, 3720, 3884, 4712, 4855, 5301, 5580, 5826, 5890, 6840, 7068, 7768, 8739, 8835, 9710, 10602, 11160, 11652, 11780, 14136, 14565, 17478, 17670, 18449, 19420, 21204, 23304, 23560, 26505, 29130, 30101, 34956, 35340, 36898, 38840, 42408, 43695, 53010, 55347, 58260, 60202, 69912, 70680, 73796, 87390, 90303, 92245, 106020, 110694, 116520, 120404, 147592, 150505, 166041, 174780, 180606, 184490, 212040, 221388, 240808, 270909, 276735, 301010, 332082, 349560, 361212, 368980, 442776, 451515, 541818, 553470, 571919, 602020, 664164, 722424, 737960, 830205, 903030, 1083636, 1106940, 1143838, 1204040, 1328328, 1354545, 1660410, 1715757, 1806060, 2167272, 2213880, 2287676, 2709090, 2859595, 3320820, 3431514, 3612120, 4575352, 5147271, 5418180, 5719190, 6641640, 6863028, 8578785, 10294542, 10836360, 11438380, 13726056, 17157570, 20589084, 22876760, 25736355, 34315140, 41178168, 51472710, 68630280, 102945420, 205890840]

約数ペア:

[(1, 205890840), (2, 102945420), (3, 68630280), (4, 51472710), (5, 41178168), (6, 34315140), (8, 25736355), (9, 22876760), (10, 20589084), (12, 17157570), (15, 13726056), (18, 11438380), (19, 10836360), (20, 10294542), (24, 8578785), (30, 6863028), (31, 6641640), (36, 5719190), (38, 5418180), (40, 5147271), (45, 4575352), (57, 3612120), (60, 3431514), (62, 3320820), (72, 2859595), (76, 2709090), (90, 2287676), (93, 2213880), (95, 2167272), (114, 1806060), (120, 1715757), (124, 1660410), (152, 1354545), (155, 1328328), (171, 1204040), (180, 1143838), (186, 1106940), (190, 1083636), (228, 903030), (248, 830205), (279, 737960), (285, 722424), (310, 664164), (342, 602020), (360, 571919), (372, 553470), (380, 541818), (456, 451515), (465, 442776), (558, 368980), (570, 361212), (589, 349560), (620, 332082), (684, 301010), (744, 276735), (760, 270909), (855, 240808), (930, 221388), (971, 212040), (1116, 184490), (1140, 180606), (1178, 174780), (1240, 166041), (1368, 150505), (1395, 147592), (1710, 120404), (1767, 116520), (1860, 110694), (1942, 106020), (2232, 92245), (2280, 90303), (2356, 87390), (2790, 73796), (2913, 70680), (2945, 69912), (3420, 60202), (3534, 58260), (3720, 55347), (3884, 53010), (4712, 43695), (4855, 42408), (5301, 38840), (5580, 36898), (5826, 35340), (5890, 34956), (6840, 30101), (7068, 29130), (7768, 26505), (8739, 23560), (8835, 23304), (9710, 21204), (10602, 19420), (11160, 18449), (11652, 17670), (11780, 17478), (14136, 14565)]