156867440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1558

約数の個数: 80

約数和(自身を含む): 385499136

約数和(自身を除く): 228631696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1333, 1471, 1720, 2480, 2666, 2942, 3440, 5332, 5884, 6665, 7355, 10664, 11768, 13330, 14710, 21328, 23536, 26660, 29420, 45601, 53320, 58840, 63253, 91202, 106640, 117680, 126506, 182404, 228005, 253012, 316265, 364808, 456010, 506024, 632530, 729616, 912020, 1012048, 1265060, 1824040, 1960843, 2530120, 3648080, 3921686, 5060240, 7843372, 9804215, 15686744, 19608430, 31373488, 39216860, 78433720, 156867440]

約数ペア:

[(1, 156867440), (2, 78433720), (4, 39216860), (5, 31373488), (8, 19608430), (10, 15686744), (16, 9804215), (20, 7843372), (31, 5060240), (40, 3921686), (43, 3648080), (62, 2530120), (80, 1960843), (86, 1824040), (124, 1265060), (155, 1012048), (172, 912020), (215, 729616), (248, 632530), (310, 506024), (344, 456010), (430, 364808), (496, 316265), (620, 253012), (688, 228005), (860, 182404), (1240, 126506), (1333, 117680), (1471, 106640), (1720, 91202), (2480, 63253), (2666, 58840), (2942, 53320), (3440, 45601), (5332, 29420), (5884, 26660), (6665, 23536), (7355, 21328), (10664, 14710), (11768, 13330)]