71511930

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 220239360

約数和(自身を除く): 148727430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 157, 189, 210, 241, 270, 314, 315, 378, 471, 482, 630, 723, 785, 942, 945, 1099, 1205, 1413, 1446, 1570, 1687, 1890, 2169, 2198, 2355, 2410, 2826, 3297, 3374, 3615, 4239, 4338, 4710, 5061, 5495, 6507, 6594, 7065, 7230, 8435, 8478, 9891, 10122, 10845, 10990, 13014, 14130, 15183, 16485, 16870, 19782, 21195, 21690, 25305, 29673, 30366, 32535, 32970, 37837, 42390, 45549, 49455, 50610, 59346, 65070, 75674, 75915, 91098, 98910, 113511, 148365, 151830, 189185, 227022, 227745, 264859, 296730, 340533, 378370, 455490, 529718, 567555, 681066, 794577, 1021599, 1135110, 1324295, 1589154, 1702665, 2043198, 2383731, 2648590, 3405330, 3972885, 4767462, 5107995, 7151193, 7945770, 10215990, 11918655, 14302386, 23837310, 35755965, 71511930]

約数ペア:

[(1, 71511930), (2, 35755965), (3, 23837310), (5, 14302386), (6, 11918655), (7, 10215990), (9, 7945770), (10, 7151193), (14, 5107995), (15, 4767462), (18, 3972885), (21, 3405330), (27, 2648590), (30, 2383731), (35, 2043198), (42, 1702665), (45, 1589154), (54, 1324295), (63, 1135110), (70, 1021599), (90, 794577), (105, 681066), (126, 567555), (135, 529718), (157, 455490), (189, 378370), (210, 340533), (241, 296730), (270, 264859), (314, 227745), (315, 227022), (378, 189185), (471, 151830), (482, 148365), (630, 113511), (723, 98910), (785, 91098), (942, 75915), (945, 75674), (1099, 65070), (1205, 59346), (1413, 50610), (1446, 49455), (1570, 45549), (1687, 42390), (1890, 37837), (2169, 32970), (2198, 32535), (2355, 30366), (2410, 29673), (2826, 25305), (3297, 21690), (3374, 21195), (3615, 19782), (4239, 16870), (4338, 16485), (4710, 15183), (5061, 14130), (5495, 13014), (6507, 10990), (6594, 10845), (7065, 10122), (7230, 9891), (8435, 8478)]