254910880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:211

約数の個数: 192

約数和(自身を含む): 723824640

約数和(自身を除く): 468913760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 67, 70, 79, 80, 86, 112, 134, 140, 158, 160, 172, 215, 224, 268, 280, 301, 316, 335, 344, 395, 430, 469, 536, 553, 560, 602, 632, 670, 688, 790, 860, 938, 1072, 1106, 1120, 1204, 1264, 1340, 1376, 1505, 1580, 1720, 1876, 2144, 2212, 2345, 2408, 2528, 2680, 2765, 2881, 3010, 3160, 3397, 3440, 3752, 4424, 4690, 4816, 5293, 5360, 5530, 5762, 6020, 6320, 6794, 6880, 7504, 8848, 9380, 9632, 10586, 10720, 11060, 11524, 12040, 12640, 13588, 14405, 15008, 16985, 17696, 18760, 20167, 21172, 22120, 23048, 23779, 24080, 26465, 27176, 28810, 33970, 37051, 37520, 40334, 42344, 44240, 46096, 47558, 48160, 52930, 54352, 57620, 67940, 74102, 75040, 80668, 84688, 88480, 92192, 95116, 100835, 105860, 108704, 115240, 118895, 135880, 148204, 161336, 169376, 185255, 190232, 201670, 211720, 227599, 230480, 237790, 271760, 296408, 322672, 370510, 380464, 403340, 423440, 455198, 460960, 475580, 543520, 592816, 645344, 741020, 760928, 806680, 846880, 910396, 951160, 1137995, 1185632, 1482040, 1593193, 1613360, 1820792, 1902320, 2275990, 2964080, 3186386, 3226720, 3641584, 3804640, 4551980, 5928160, 6372772, 7283168, 7965965, 9103960, 12745544, 15931930, 18207920, 25491088, 31863860, 36415840, 50982176, 63727720, 127455440, 254910880]

約数ペア:

[(1, 254910880), (2, 127455440), (4, 63727720), (5, 50982176), (7, 36415840), (8, 31863860), (10, 25491088), (14, 18207920), (16, 15931930), (20, 12745544), (28, 9103960), (32, 7965965), (35, 7283168), (40, 6372772), (43, 5928160), (56, 4551980), (67, 3804640), (70, 3641584), (79, 3226720), (80, 3186386), (86, 2964080), (112, 2275990), (134, 1902320), (140, 1820792), (158, 1613360), (160, 1593193), (172, 1482040), (215, 1185632), (224, 1137995), (268, 951160), (280, 910396), (301, 846880), (316, 806680), (335, 760928), (344, 741020), (395, 645344), (430, 592816), (469, 543520), (536, 475580), (553, 460960), (560, 455198), (602, 423440), (632, 403340), (670, 380464), (688, 370510), (790, 322672), (860, 296408), (938, 271760), (1072, 237790), (1106, 230480), (1120, 227599), (1204, 211720), (1264, 201670), (1340, 190232), (1376, 185255), (1505, 169376), (1580, 161336), (1720, 148204), (1876, 135880), (2144, 118895), (2212, 115240), (2345, 108704), (2408, 105860), (2528, 100835), (2680, 95116), (2765, 92192), (2881, 88480), (3010, 84688), (3160, 80668), (3397, 75040), (3440, 74102), (3752, 67940), (4424, 57620), (4690, 54352), (4816, 52930), (5293, 48160), (5360, 47558), (5530, 46096), (5762, 44240), (6020, 42344), (6320, 40334), (6794, 37520), (6880, 37051), (7504, 33970), (8848, 28810), (9380, 27176), (9632, 26465), (10586, 24080), (10720, 23779), (11060, 23048), (11524, 22120), (12040, 21172), (12640, 20167), (13588, 18760), (14405, 17696), (15008, 16985)]