1520906720

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1\times {\mathrm{439}}^1$

素因数の和:880

約数の個数: 96

約数和(自身を含む): 3672345600

約数和(自身を除く): 2151438880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 367, 439, 472, 590, 734, 878, 944, 1180, 1468, 1756, 1835, 1888, 2195, 2360, 2936, 3512, 3670, 4390, 4720, 5872, 7024, 7340, 8780, 9440, 11744, 14048, 14680, 17560, 21653, 25901, 29360, 35120, 43306, 51802, 58720, 70240, 86612, 103604, 108265, 129505, 161113, 173224, 207208, 216530, 259010, 322226, 346448, 414416, 433060, 518020, 644452, 692896, 805565, 828832, 866120, 1036040, 1288904, 1611130, 1732240, 2072080, 2577808, 3222260, 3464480, 4144160, 5155616, 6444520, 9505667, 12889040, 19011334, 25778080, 38022668, 47528335, 76045336, 95056670, 152090672, 190113340, 304181344, 380226680, 760453360, 1520906720]

約数ペア:

[(1, 1520906720), (2, 760453360), (4, 380226680), (5, 304181344), (8, 190113340), (10, 152090672), (16, 95056670), (20, 76045336), (32, 47528335), (40, 38022668), (59, 25778080), (80, 19011334), (118, 12889040), (160, 9505667), (236, 6444520), (295, 5155616), (367, 4144160), (439, 3464480), (472, 3222260), (590, 2577808), (734, 2072080), (878, 1732240), (944, 1611130), (1180, 1288904), (1468, 1036040), (1756, 866120), (1835, 828832), (1888, 805565), (2195, 692896), (2360, 644452), (2936, 518020), (3512, 433060), (3670, 414416), (4390, 346448), (4720, 322226), (5872, 259010), (7024, 216530), (7340, 207208), (8780, 173224), (9440, 161113), (11744, 129505), (14048, 108265), (14680, 103604), (17560, 86612), (21653, 70240), (25901, 58720), (29360, 51802), (35120, 43306)]