80771580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{683}}^1$

素因数の和:777

約数の個数: 120

約数和(自身を含む): 257230512

約数和(自身を除く): 176458932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 81, 90, 108, 135, 146, 162, 180, 219, 270, 292, 324, 365, 405, 438, 540, 657, 683, 730, 810, 876, 1095, 1314, 1366, 1460, 1620, 1971, 2049, 2190, 2628, 2732, 3285, 3415, 3942, 4098, 4380, 5913, 6147, 6570, 6830, 7884, 8196, 9855, 10245, 11826, 12294, 13140, 13660, 18441, 19710, 20490, 23652, 24588, 29565, 30735, 36882, 39420, 40980, 49859, 55323, 59130, 61470, 73764, 92205, 99718, 110646, 118260, 122940, 149577, 184410, 199436, 221292, 249295, 276615, 299154, 368820, 448731, 498590, 553230, 598308, 747885, 897462, 997180, 1106460, 1346193, 1495770, 1794924, 2243655, 2692386, 2991540, 4038579, 4487310, 5384772, 6730965, 8077158, 8974620, 13461930, 16154316, 20192895, 26923860, 40385790, 80771580]

約数ペア:

[(1, 80771580), (2, 40385790), (3, 26923860), (4, 20192895), (5, 16154316), (6, 13461930), (9, 8974620), (10, 8077158), (12, 6730965), (15, 5384772), (18, 4487310), (20, 4038579), (27, 2991540), (30, 2692386), (36, 2243655), (45, 1794924), (54, 1495770), (60, 1346193), (73, 1106460), (81, 997180), (90, 897462), (108, 747885), (135, 598308), (146, 553230), (162, 498590), (180, 448731), (219, 368820), (270, 299154), (292, 276615), (324, 249295), (365, 221292), (405, 199436), (438, 184410), (540, 149577), (657, 122940), (683, 118260), (730, 110646), (810, 99718), (876, 92205), (1095, 73764), (1314, 61470), (1366, 59130), (1460, 55323), (1620, 49859), (1971, 40980), (2049, 39420), (2190, 36882), (2628, 30735), (2732, 29565), (3285, 24588), (3415, 23652), (3942, 20490), (4098, 19710), (4380, 18441), (5913, 13660), (6147, 13140), (6570, 12294), (6830, 11826), (7884, 10245), (8196, 9855)]