145964120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2221}}^1$

素因数の和:2316

約数の個数: 64

約数和(自身を含む): 345565440

約数和(自身を除く): 199601320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 1060, 1240, 1643, 2120, 2221, 3286, 4442, 6572, 8215, 8884, 11105, 13144, 16430, 17768, 22210, 32860, 44420, 65720, 68851, 88840, 117713, 137702, 235426, 275404, 344255, 470852, 550808, 588565, 688510, 941704, 1177130, 1377020, 2354260, 2754040, 3649103, 4708520, 7298206, 14596412, 18245515, 29192824, 36491030, 72982060, 145964120]

約数ペア:

[(1, 145964120), (2, 72982060), (4, 36491030), (5, 29192824), (8, 18245515), (10, 14596412), (20, 7298206), (31, 4708520), (40, 3649103), (53, 2754040), (62, 2354260), (106, 1377020), (124, 1177130), (155, 941704), (212, 688510), (248, 588565), (265, 550808), (310, 470852), (424, 344255), (530, 275404), (620, 235426), (1060, 137702), (1240, 117713), (1643, 88840), (2120, 68851), (2221, 65720), (3286, 44420), (4442, 32860), (6572, 22210), (8215, 17768), (8884, 16430), (11105, 13144)]