1378520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 3659040

約数和(自身を除く): 2280520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 241, 260, 286, 440, 482, 520, 572, 715, 964, 1144, 1205, 1430, 1928, 2410, 2651, 2860, 3133, 4820, 5302, 5720, 6266, 9640, 10604, 12532, 13255, 15665, 21208, 25064, 26510, 31330, 34463, 53020, 62660, 68926, 106040, 125320, 137852, 172315, 275704, 344630, 689260, 1378520]

約数ペア:

[(1, 1378520), (2, 689260), (4, 344630), (5, 275704), (8, 172315), (10, 137852), (11, 125320), (13, 106040), (20, 68926), (22, 62660), (26, 53020), (40, 34463), (44, 31330), (52, 26510), (55, 25064), (65, 21208), (88, 15665), (104, 13255), (110, 12532), (130, 10604), (143, 9640), (220, 6266), (241, 5720), (260, 5302), (286, 4820), (440, 3133), (482, 2860), (520, 2651), (572, 2410), (715, 1928), (964, 1430), (1144, 1205)]