405184920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{68909}}^1$

素因数の和:68937

約数の個数: 96

約数和(自身を含む): 1414033200

約数和(自身を除く): 1008848280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 68909, 137818, 206727, 275636, 344545, 413454, 482363, 551272, 689090, 826908, 964726, 1033635, 1378180, 1447089, 1653816, 1929452, 2067270, 2411815, 2756360, 2894178, 3376541, 3858904, 4134540, 4823630, 5788356, 6753082, 7235445, 8269080, 9647260, 10129623, 11576712, 13506164, 14470890, 16882705, 19294520, 20259246, 27012328, 28941780, 33765410, 40518492, 50648115, 57883560, 67530820, 81036984, 101296230, 135061640, 202592460, 405184920]

約数ペア:

[(1, 405184920), (2, 202592460), (3, 135061640), (4, 101296230), (5, 81036984), (6, 67530820), (7, 57883560), (8, 50648115), (10, 40518492), (12, 33765410), (14, 28941780), (15, 27012328), (20, 20259246), (21, 19294520), (24, 16882705), (28, 14470890), (30, 13506164), (35, 11576712), (40, 10129623), (42, 9647260), (49, 8269080), (56, 7235445), (60, 6753082), (70, 5788356), (84, 4823630), (98, 4134540), (105, 3858904), (120, 3376541), (140, 2894178), (147, 2756360), (168, 2411815), (196, 2067270), (210, 1929452), (245, 1653816), (280, 1447089), (294, 1378180), (392, 1033635), (420, 964726), (490, 826908), (588, 689090), (735, 551272), (840, 482363), (980, 413454), (1176, 344545), (1470, 275636), (1960, 206727), (2940, 137818), (5880, 68909)]