388161720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2549}}^1$

素因数の和:2619

約数の個数: 160

約数和(自身を含む): 1332936000

約数和(自身を除く): 944774280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 81, 90, 94, 108, 120, 135, 141, 162, 180, 188, 216, 235, 270, 282, 324, 360, 376, 405, 423, 470, 540, 564, 648, 705, 810, 846, 940, 1080, 1128, 1269, 1410, 1620, 1692, 1880, 2115, 2538, 2549, 2820, 3240, 3384, 3807, 4230, 5076, 5098, 5640, 6345, 7614, 7647, 8460, 10152, 10196, 12690, 12745, 15228, 15294, 16920, 19035, 20392, 22941, 25380, 25490, 30456, 30588, 38070, 38235, 45882, 50760, 50980, 61176, 68823, 76140, 76470, 91764, 101960, 114705, 119803, 137646, 152280, 152940, 183528, 206469, 229410, 239606, 275292, 305880, 344115, 359409, 412938, 458820, 479212, 550584, 599015, 688230, 718818, 825876, 917640, 958424, 1032345, 1078227, 1198030, 1376460, 1437636, 1651752, 1797045, 2064690, 2156454, 2396060, 2752920, 2875272, 3234681, 3594090, 4129380, 4312908, 4792120, 5391135, 6469362, 7188180, 8258760, 8625816, 9704043, 10782270, 12938724, 14376360, 16173405, 19408086, 21564540, 25877448, 32346810, 38816172, 43129080, 48520215, 64693620, 77632344, 97040430, 129387240, 194080860, 388161720]

約数ペア:

[(1, 388161720), (2, 194080860), (3, 129387240), (4, 97040430), (5, 77632344), (6, 64693620), (8, 48520215), (9, 43129080), (10, 38816172), (12, 32346810), (15, 25877448), (18, 21564540), (20, 19408086), (24, 16173405), (27, 14376360), (30, 12938724), (36, 10782270), (40, 9704043), (45, 8625816), (47, 8258760), (54, 7188180), (60, 6469362), (72, 5391135), (81, 4792120), (90, 4312908), (94, 4129380), (108, 3594090), (120, 3234681), (135, 2875272), (141, 2752920), (162, 2396060), (180, 2156454), (188, 2064690), (216, 1797045), (235, 1651752), (270, 1437636), (282, 1376460), (324, 1198030), (360, 1078227), (376, 1032345), (405, 958424), (423, 917640), (470, 825876), (540, 718818), (564, 688230), (648, 599015), (705, 550584), (810, 479212), (846, 458820), (940, 412938), (1080, 359409), (1128, 344115), (1269, 305880), (1410, 275292), (1620, 239606), (1692, 229410), (1880, 206469), (2115, 183528), (2538, 152940), (2549, 152280), (2820, 137646), (3240, 119803), (3384, 114705), (3807, 101960), (4230, 91764), (5076, 76470), (5098, 76140), (5640, 68823), (6345, 61176), (7614, 50980), (7647, 50760), (8460, 45882), (10152, 38235), (10196, 38070), (12690, 30588), (12745, 30456), (15228, 25490), (15294, 25380), (16920, 22941), (19035, 20392)]