216558320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 160

約数和(自身を含む): 577463040

約数和(自身を除く): 360904720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 59, 80, 86, 88, 97, 110, 118, 172, 176, 194, 215, 220, 236, 295, 344, 388, 430, 440, 472, 473, 485, 590, 649, 688, 776, 860, 880, 944, 946, 970, 1067, 1180, 1298, 1552, 1720, 1892, 1940, 2134, 2360, 2365, 2537, 2596, 3245, 3440, 3784, 3880, 4171, 4268, 4720, 4730, 5074, 5192, 5335, 5723, 6490, 7568, 7760, 8342, 8536, 9460, 10148, 10384, 10670, 11446, 12685, 12980, 16684, 17072, 18920, 20296, 20855, 21340, 22892, 25370, 25960, 27907, 28615, 33368, 37840, 40592, 41710, 42680, 45784, 45881, 50740, 51920, 55814, 57230, 62953, 66736, 83420, 85360, 91568, 91762, 101480, 111628, 114460, 125906, 139535, 166840, 183524, 202960, 223256, 228920, 229405, 246089, 251812, 279070, 314765, 333680, 367048, 446512, 457840, 458810, 492178, 503624, 558140, 629530, 734096, 917620, 984356, 1007248, 1116280, 1230445, 1259060, 1835240, 1968712, 2232560, 2460890, 2518120, 2706979, 3670480, 3937424, 4921780, 5036240, 5413958, 9843560, 10827916, 13534895, 19687120, 21655832, 27069790, 43311664, 54139580, 108279160, 216558320]

約数ペア:

[(1, 216558320), (2, 108279160), (4, 54139580), (5, 43311664), (8, 27069790), (10, 21655832), (11, 19687120), (16, 13534895), (20, 10827916), (22, 9843560), (40, 5413958), (43, 5036240), (44, 4921780), (55, 3937424), (59, 3670480), (80, 2706979), (86, 2518120), (88, 2460890), (97, 2232560), (110, 1968712), (118, 1835240), (172, 1259060), (176, 1230445), (194, 1116280), (215, 1007248), (220, 984356), (236, 917620), (295, 734096), (344, 629530), (388, 558140), (430, 503624), (440, 492178), (472, 458810), (473, 457840), (485, 446512), (590, 367048), (649, 333680), (688, 314765), (776, 279070), (860, 251812), (880, 246089), (944, 229405), (946, 228920), (970, 223256), (1067, 202960), (1180, 183524), (1298, 166840), (1552, 139535), (1720, 125906), (1892, 114460), (1940, 111628), (2134, 101480), (2360, 91762), (2365, 91568), (2537, 85360), (2596, 83420), (3245, 66736), (3440, 62953), (3784, 57230), (3880, 55814), (4171, 51920), (4268, 50740), (4720, 45881), (4730, 45784), (5074, 42680), (5192, 41710), (5335, 40592), (5723, 37840), (6490, 33368), (7568, 28615), (7760, 27907), (8342, 25960), (8536, 25370), (9460, 22892), (10148, 21340), (10384, 20855), (10670, 20296), (11446, 18920), (12685, 17072), (12980, 16684)]