248492280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1109

約数の個数: 128

約数和(自身を含む): 781793280

約数和(自身を除く): 533301000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 67, 93, 120, 124, 134, 155, 186, 201, 248, 268, 310, 335, 372, 402, 465, 536, 620, 670, 744, 804, 930, 997, 1005, 1240, 1340, 1608, 1860, 1994, 2010, 2077, 2680, 2991, 3720, 3988, 4020, 4154, 4985, 5982, 6231, 7976, 8040, 8308, 9970, 10385, 11964, 12462, 14955, 16616, 19940, 20770, 23928, 24924, 29910, 30907, 31155, 39880, 41540, 49848, 59820, 61814, 62310, 66799, 83080, 92721, 119640, 123628, 124620, 133598, 154535, 185442, 200397, 247256, 249240, 267196, 309070, 333995, 370884, 400794, 463605, 534392, 618140, 667990, 741768, 801588, 927210, 1001985, 1236280, 1335980, 1603176, 1854420, 2003970, 2070769, 2671960, 3708840, 4007940, 4141538, 6212307, 8015880, 8283076, 10353845, 12424614, 16566152, 20707690, 24849228, 31061535, 41415380, 49698456, 62123070, 82830760, 124246140, 248492280]

約数ペア:

[(1, 248492280), (2, 124246140), (3, 82830760), (4, 62123070), (5, 49698456), (6, 41415380), (8, 31061535), (10, 24849228), (12, 20707690), (15, 16566152), (20, 12424614), (24, 10353845), (30, 8283076), (31, 8015880), (40, 6212307), (60, 4141538), (62, 4007940), (67, 3708840), (93, 2671960), (120, 2070769), (124, 2003970), (134, 1854420), (155, 1603176), (186, 1335980), (201, 1236280), (248, 1001985), (268, 927210), (310, 801588), (335, 741768), (372, 667990), (402, 618140), (465, 534392), (536, 463605), (620, 400794), (670, 370884), (744, 333995), (804, 309070), (930, 267196), (997, 249240), (1005, 247256), (1240, 200397), (1340, 185442), (1608, 154535), (1860, 133598), (1994, 124620), (2010, 123628), (2077, 119640), (2680, 92721), (2991, 83080), (3720, 66799), (3988, 62310), (4020, 61814), (4154, 59820), (4985, 49848), (5982, 41540), (6231, 39880), (7976, 31155), (8040, 30907), (8308, 29910), (9970, 24924), (10385, 23928), (11964, 20770), (12462, 19940), (14955, 16616)]