253267520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:281

約数の個数: 168

約数和(自身を含む): 687531264

約数和(自身を除く): 434263744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 121, 124, 155, 160, 176, 211, 220, 242, 248, 310, 320, 341, 352, 422, 440, 484, 496, 605, 620, 682, 704, 844, 880, 968, 992, 1055, 1210, 1240, 1364, 1688, 1705, 1760, 1936, 1984, 2110, 2321, 2420, 2480, 2728, 3376, 3410, 3520, 3751, 3872, 4220, 4642, 4840, 4960, 5456, 6541, 6752, 6820, 7502, 7744, 8440, 9284, 9680, 9920, 10912, 11605, 13082, 13504, 13640, 15004, 16880, 18568, 18755, 19360, 21824, 23210, 25531, 26164, 27280, 30008, 32705, 33760, 37136, 37510, 38720, 46420, 51062, 52328, 54560, 60016, 65410, 67520, 71951, 74272, 75020, 92840, 102124, 104656, 109120, 120032, 127655, 130820, 143902, 148544, 150040, 185680, 204248, 209312, 240064, 255310, 261640, 287804, 300080, 359755, 371360, 408496, 418624, 510620, 523280, 575608, 600160, 719510, 742720, 791461, 816992, 1021240, 1046560, 1151216, 1200320, 1439020, 1582922, 1633984, 2042480, 2093120, 2302432, 2878040, 3165844, 3957305, 4084960, 4604864, 5756080, 6331688, 7914610, 8169920, 11512160, 12663376, 15829220, 23024320, 25326752, 31658440, 50653504, 63316880, 126633760, 253267520]

約数ペア:

[(1, 253267520), (2, 126633760), (4, 63316880), (5, 50653504), (8, 31658440), (10, 25326752), (11, 23024320), (16, 15829220), (20, 12663376), (22, 11512160), (31, 8169920), (32, 7914610), (40, 6331688), (44, 5756080), (55, 4604864), (62, 4084960), (64, 3957305), (80, 3165844), (88, 2878040), (110, 2302432), (121, 2093120), (124, 2042480), (155, 1633984), (160, 1582922), (176, 1439020), (211, 1200320), (220, 1151216), (242, 1046560), (248, 1021240), (310, 816992), (320, 791461), (341, 742720), (352, 719510), (422, 600160), (440, 575608), (484, 523280), (496, 510620), (605, 418624), (620, 408496), (682, 371360), (704, 359755), (844, 300080), (880, 287804), (968, 261640), (992, 255310), (1055, 240064), (1210, 209312), (1240, 204248), (1364, 185680), (1688, 150040), (1705, 148544), (1760, 143902), (1936, 130820), (1984, 127655), (2110, 120032), (2321, 109120), (2420, 104656), (2480, 102124), (2728, 92840), (3376, 75020), (3410, 74272), (3520, 71951), (3751, 67520), (3872, 65410), (4220, 60016), (4642, 54560), (4840, 52328), (4960, 51062), (5456, 46420), (6541, 38720), (6752, 37510), (6820, 37136), (7502, 33760), (7744, 32705), (8440, 30008), (9284, 27280), (9680, 26164), (9920, 25531), (10912, 23210), (11605, 21824), (13082, 19360), (13504, 18755), (13640, 18568), (15004, 16880)]