156721760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75347}}^1$

素因数の和:75375

約数の個数: 48

約数和(自身を含む): 398741616

約数和(自身を除く): 242019856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 75347, 150694, 301388, 376735, 602776, 753470, 979511, 1205552, 1506940, 1959022, 2411104, 3013880, 3918044, 4897555, 6027760, 7836088, 9795110, 12055520, 15672176, 19590220, 31344352, 39180440, 78360880, 156721760]

約数ペア:

[(1, 156721760), (2, 78360880), (4, 39180440), (5, 31344352), (8, 19590220), (10, 15672176), (13, 12055520), (16, 9795110), (20, 7836088), (26, 6027760), (32, 4897555), (40, 3918044), (52, 3013880), (65, 2411104), (80, 1959022), (104, 1506940), (130, 1205552), (160, 979511), (208, 753470), (260, 602776), (416, 376735), (520, 301388), (1040, 150694), (2080, 75347)]