218367760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:345

約数の個数: 160

約数和(自身を含む): 591212160

約数和(自身を除く): 372844400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 43, 52, 65, 76, 80, 86, 95, 104, 130, 152, 172, 190, 208, 215, 247, 257, 260, 304, 344, 380, 430, 494, 514, 520, 559, 688, 760, 817, 860, 988, 1028, 1040, 1118, 1235, 1285, 1520, 1634, 1720, 1976, 2056, 2236, 2470, 2570, 2795, 3268, 3341, 3440, 3952, 4085, 4112, 4472, 4883, 4940, 5140, 5590, 6536, 6682, 8170, 8944, 9766, 9880, 10280, 10621, 11051, 11180, 13072, 13364, 16340, 16705, 19532, 19760, 20560, 21242, 22102, 22360, 24415, 26728, 32680, 33410, 39064, 42484, 44204, 44720, 48830, 53105, 53456, 55255, 63479, 65360, 66820, 78128, 84968, 88408, 97660, 106210, 110510, 126958, 133640, 143663, 169936, 176816, 195320, 209969, 212420, 221020, 253916, 267280, 287326, 317395, 390640, 419938, 424840, 442040, 507832, 574652, 634790, 718315, 839876, 849680, 884080, 1015664, 1049845, 1149304, 1269580, 1436630, 1679752, 2099690, 2298608, 2539160, 2729597, 2873260, 3359504, 4199380, 5078320, 5459194, 5746520, 8398760, 10918388, 11493040, 13647985, 16797520, 21836776, 27295970, 43673552, 54591940, 109183880, 218367760]

約数ペア:

[(1, 218367760), (2, 109183880), (4, 54591940), (5, 43673552), (8, 27295970), (10, 21836776), (13, 16797520), (16, 13647985), (19, 11493040), (20, 10918388), (26, 8398760), (38, 5746520), (40, 5459194), (43, 5078320), (52, 4199380), (65, 3359504), (76, 2873260), (80, 2729597), (86, 2539160), (95, 2298608), (104, 2099690), (130, 1679752), (152, 1436630), (172, 1269580), (190, 1149304), (208, 1049845), (215, 1015664), (247, 884080), (257, 849680), (260, 839876), (304, 718315), (344, 634790), (380, 574652), (430, 507832), (494, 442040), (514, 424840), (520, 419938), (559, 390640), (688, 317395), (760, 287326), (817, 267280), (860, 253916), (988, 221020), (1028, 212420), (1040, 209969), (1118, 195320), (1235, 176816), (1285, 169936), (1520, 143663), (1634, 133640), (1720, 126958), (1976, 110510), (2056, 106210), (2236, 97660), (2470, 88408), (2570, 84968), (2795, 78128), (3268, 66820), (3341, 65360), (3440, 63479), (3952, 55255), (4085, 53456), (4112, 53105), (4472, 48830), (4883, 44720), (4940, 44204), (5140, 42484), (5590, 39064), (6536, 33410), (6682, 32680), (8170, 26728), (8944, 24415), (9766, 22360), (9880, 22102), (10280, 21242), (10621, 20560), (11051, 19760), (11180, 19532), (13072, 16705), (13364, 16340)]