131566240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1542

約数の個数: 96

約数和(自身を含む): 342752256

約数和(自身を除く): 211186016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 172, 208, 215, 260, 344, 416, 430, 520, 559, 688, 860, 1040, 1118, 1376, 1471, 1720, 2080, 2236, 2795, 2942, 3440, 4472, 5590, 5884, 6880, 7355, 8944, 11180, 11768, 14710, 17888, 19123, 22360, 23536, 29420, 38246, 44720, 47072, 58840, 63253, 76492, 89440, 95615, 117680, 126506, 152984, 191230, 235360, 253012, 305968, 316265, 382460, 506024, 611936, 632530, 764920, 822289, 1012048, 1265060, 1529840, 1644578, 2024096, 2530120, 3059680, 3289156, 4111445, 5060240, 6578312, 8222890, 10120480, 13156624, 16445780, 26313248, 32891560, 65783120, 131566240]

約数ペア:

[(1, 131566240), (2, 65783120), (4, 32891560), (5, 26313248), (8, 16445780), (10, 13156624), (13, 10120480), (16, 8222890), (20, 6578312), (26, 5060240), (32, 4111445), (40, 3289156), (43, 3059680), (52, 2530120), (65, 2024096), (80, 1644578), (86, 1529840), (104, 1265060), (130, 1012048), (160, 822289), (172, 764920), (208, 632530), (215, 611936), (260, 506024), (344, 382460), (416, 316265), (430, 305968), (520, 253012), (559, 235360), (688, 191230), (860, 152984), (1040, 126506), (1118, 117680), (1376, 95615), (1471, 89440), (1720, 76492), (2080, 63253), (2236, 58840), (2795, 47072), (2942, 44720), (3440, 38246), (4472, 29420), (5590, 23536), (5884, 22360), (6880, 19123), (7355, 17888), (8944, 14710), (11180, 11768)]