1251052520

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{641}}^1\times {\mathrm{827}}^1$

素因数の和:1538

約数の個数: 64

約数和(自身を含む): 2870510400

約数和(自身を除く): 1619457880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 641, 827, 1180, 1282, 1654, 2360, 2564, 3205, 3308, 4135, 5128, 6410, 6616, 8270, 12820, 16540, 25640, 33080, 37819, 48793, 75638, 97586, 151276, 189095, 195172, 243965, 302552, 378190, 390344, 487930, 530107, 756380, 975860, 1060214, 1512760, 1951720, 2120428, 2650535, 4240856, 5301070, 10602140, 21204280, 31276313, 62552626, 125105252, 156381565, 250210504, 312763130, 625526260, 1251052520]

約数ペア:

[(1, 1251052520), (2, 625526260), (4, 312763130), (5, 250210504), (8, 156381565), (10, 125105252), (20, 62552626), (40, 31276313), (59, 21204280), (118, 10602140), (236, 5301070), (295, 4240856), (472, 2650535), (590, 2120428), (641, 1951720), (827, 1512760), (1180, 1060214), (1282, 975860), (1654, 756380), (2360, 530107), (2564, 487930), (3205, 390344), (3308, 378190), (4135, 302552), (5128, 243965), (6410, 195172), (6616, 189095), (8270, 151276), (12820, 97586), (16540, 75638), (25640, 48793), (33080, 37819)]