245852460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{195121}}^1$

素因数の和:195143

約数の個数: 72

約数和(自身を含む): 852292896

約数和(自身を除く): 606440436

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 195121, 390242, 585363, 780484, 975605, 1170726, 1365847, 1756089, 1951210, 2341452, 2731694, 2926815, 3512178, 3902420, 4097541, 5463388, 5853630, 6829235, 7024356, 8195082, 8780445, 11707260, 12292623, 13658470, 16390164, 17560890, 20487705, 24585246, 27316940, 35121780, 40975410, 49170492, 61463115, 81950820, 122926230, 245852460]

約数ペア:

[(1, 245852460), (2, 122926230), (3, 81950820), (4, 61463115), (5, 49170492), (6, 40975410), (7, 35121780), (9, 27316940), (10, 24585246), (12, 20487705), (14, 17560890), (15, 16390164), (18, 13658470), (20, 12292623), (21, 11707260), (28, 8780445), (30, 8195082), (35, 7024356), (36, 6829235), (42, 5853630), (45, 5463388), (60, 4097541), (63, 3902420), (70, 3512178), (84, 2926815), (90, 2731694), (105, 2341452), (126, 1951210), (140, 1756089), (180, 1365847), (210, 1170726), (252, 975605), (315, 780484), (420, 585363), (630, 390242), (1260, 195121)]