261440280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42719}}^1$

素因数の和:42753

約数の個数: 96

約数和(自身を含む): 899683200

約数和(自身を除く): 638242920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 42719, 85438, 128157, 170876, 213595, 256314, 341752, 384471, 427190, 512628, 640785, 726223, 768942, 854380, 1025256, 1281570, 1452446, 1537884, 1708760, 1922355, 2178669, 2563140, 2904892, 3075768, 3631115, 3844710, 4357338, 5126280, 5809784, 6536007, 7262230, 7689420, 8714676, 10893345, 13072014, 14524460, 15378840, 17429352, 21786690, 26144028, 29048920, 32680035, 43573380, 52288056, 65360070, 87146760, 130720140, 261440280]

約数ペア:

[(1, 261440280), (2, 130720140), (3, 87146760), (4, 65360070), (5, 52288056), (6, 43573380), (8, 32680035), (9, 29048920), (10, 26144028), (12, 21786690), (15, 17429352), (17, 15378840), (18, 14524460), (20, 13072014), (24, 10893345), (30, 8714676), (34, 7689420), (36, 7262230), (40, 6536007), (45, 5809784), (51, 5126280), (60, 4357338), (68, 3844710), (72, 3631115), (85, 3075768), (90, 2904892), (102, 2563140), (120, 2178669), (136, 1922355), (153, 1708760), (170, 1537884), (180, 1452446), (204, 1281570), (255, 1025256), (306, 854380), (340, 768942), (360, 726223), (408, 640785), (510, 512628), (612, 427190), (680, 384471), (765, 341752), (1020, 256314), (1224, 213595), (1530, 170876), (2040, 128157), (3060, 85438), (6120, 42719)]