68246920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1093}}^1$

素因数の和:1334

約数の個数: 64

約数和(自身を含む): 176440320

約数和(自身を除く): 108193400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 892, 1093, 1115, 1561, 1784, 2186, 2230, 3122, 4372, 4460, 5465, 6244, 7651, 7805, 8744, 8920, 10930, 12488, 15302, 15610, 21860, 30604, 31220, 38255, 43720, 61208, 62440, 76510, 153020, 243739, 306040, 487478, 974956, 1218695, 1706173, 1949912, 2437390, 3412346, 4874780, 6824692, 8530865, 9749560, 13649384, 17061730, 34123460, 68246920]

約数ペア:

[(1, 68246920), (2, 34123460), (4, 17061730), (5, 13649384), (7, 9749560), (8, 8530865), (10, 6824692), (14, 4874780), (20, 3412346), (28, 2437390), (35, 1949912), (40, 1706173), (56, 1218695), (70, 974956), (140, 487478), (223, 306040), (280, 243739), (446, 153020), (892, 76510), (1093, 62440), (1115, 61208), (1561, 43720), (1784, 38255), (2186, 31220), (2230, 30604), (3122, 21860), (4372, 15610), (4460, 15302), (5465, 12488), (6244, 10930), (7651, 8920), (7805, 8744)]