855440280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{757}}^1$

素因数の和:890

約数の個数: 192

約数和(自身を含む): 2887616160

約数和(自身を除く): 2032175880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 73, 86, 90, 120, 129, 146, 172, 180, 215, 219, 258, 292, 344, 360, 365, 387, 430, 438, 516, 584, 645, 657, 730, 757, 774, 860, 876, 1032, 1095, 1290, 1314, 1460, 1514, 1548, 1720, 1752, 1935, 2190, 2271, 2580, 2628, 2920, 3028, 3096, 3139, 3285, 3785, 3870, 4380, 4542, 5160, 5256, 6056, 6278, 6570, 6813, 7570, 7740, 8760, 9084, 9417, 11355, 12556, 13140, 13626, 15140, 15480, 15695, 18168, 18834, 22710, 25112, 26280, 27252, 28251, 30280, 31390, 32551, 34065, 37668, 45420, 47085, 54504, 55261, 56502, 62780, 65102, 68130, 75336, 90840, 94170, 97653, 110522, 113004, 125560, 130204, 136260, 141255, 162755, 165783, 188340, 195306, 221044, 226008, 260408, 272520, 276305, 282510, 292959, 325510, 331566, 376680, 390612, 442088, 488265, 497349, 552610, 565020, 585918, 651020, 663132, 781224, 828915, 976530, 994698, 1105220, 1130040, 1171836, 1302040, 1326264, 1464795, 1657830, 1953060, 1989396, 2210440, 2343672, 2376223, 2486745, 2929590, 3315660, 3906120, 3978792, 4752446, 4973490, 5859180, 6631320, 7128669, 9504892, 9946980, 11718360, 11881115, 14257338, 19009784, 19893960, 21386007, 23762230, 28514676, 35643345, 42772014, 47524460, 57029352, 71286690, 85544028, 95048920, 106930035, 142573380, 171088056, 213860070, 285146760, 427720140, 855440280]

約数ペア:

[(1, 855440280), (2, 427720140), (3, 285146760), (4, 213860070), (5, 171088056), (6, 142573380), (8, 106930035), (9, 95048920), (10, 85544028), (12, 71286690), (15, 57029352), (18, 47524460), (20, 42772014), (24, 35643345), (30, 28514676), (36, 23762230), (40, 21386007), (43, 19893960), (45, 19009784), (60, 14257338), (72, 11881115), (73, 11718360), (86, 9946980), (90, 9504892), (120, 7128669), (129, 6631320), (146, 5859180), (172, 4973490), (180, 4752446), (215, 3978792), (219, 3906120), (258, 3315660), (292, 2929590), (344, 2486745), (360, 2376223), (365, 2343672), (387, 2210440), (430, 1989396), (438, 1953060), (516, 1657830), (584, 1464795), (645, 1326264), (657, 1302040), (730, 1171836), (757, 1130040), (774, 1105220), (860, 994698), (876, 976530), (1032, 828915), (1095, 781224), (1290, 663132), (1314, 651020), (1460, 585918), (1514, 565020), (1548, 552610), (1720, 497349), (1752, 488265), (1935, 442088), (2190, 390612), (2271, 376680), (2580, 331566), (2628, 325510), (2920, 292959), (3028, 282510), (3096, 276305), (3139, 272520), (3285, 260408), (3785, 226008), (3870, 221044), (4380, 195306), (4542, 188340), (5160, 165783), (5256, 162755), (6056, 141255), (6278, 136260), (6570, 130204), (6813, 125560), (7570, 113004), (7740, 110522), (8760, 97653), (9084, 94170), (9417, 90840), (11355, 75336), (12556, 68130), (13140, 65102), (13626, 62780), (15140, 56502), (15480, 55261), (15695, 54504), (18168, 47085), (18834, 45420), (22710, 37668), (25112, 34065), (26280, 32551), (27252, 31390), (28251, 30280)]