251777760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:445

約数の個数: 192

約数和(自身を含む): 862892352

約数和(自身を除く): 611114592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 157, 160, 195, 208, 240, 257, 260, 312, 314, 390, 416, 471, 480, 514, 520, 624, 628, 771, 780, 785, 942, 1028, 1040, 1248, 1256, 1285, 1542, 1560, 1570, 1884, 2041, 2056, 2080, 2355, 2512, 2570, 3084, 3120, 3140, 3341, 3768, 3855, 4082, 4112, 4710, 5024, 5140, 6123, 6168, 6240, 6280, 6682, 7536, 7710, 8164, 8224, 9420, 10023, 10205, 10280, 12246, 12336, 12560, 13364, 15072, 15420, 16328, 16705, 18840, 20046, 20410, 20560, 24492, 24672, 25120, 26728, 30615, 30840, 32656, 33410, 37680, 40092, 40349, 40820, 41120, 48984, 50115, 53456, 61230, 61680, 65312, 66820, 75360, 80184, 80698, 81640, 97968, 100230, 106912, 121047, 122460, 123360, 133640, 160368, 161396, 163280, 195936, 200460, 201745, 242094, 244920, 267280, 320736, 322792, 326560, 400920, 403490, 484188, 489840, 524537, 534560, 605235, 645584, 801840, 806980, 968376, 979680, 1049074, 1210470, 1291168, 1573611, 1603680, 1613960, 1936752, 2098148, 2420940, 2622685, 3147222, 3227920, 3873504, 4196296, 4841880, 5245370, 6294444, 6455840, 7868055, 8392592, 9683760, 10490740, 12588888, 15736110, 16785184, 19367520, 20981480, 25177776, 31472220, 41962960, 50355552, 62944440, 83925920, 125888880, 251777760]

約数ペア:

[(1, 251777760), (2, 125888880), (3, 83925920), (4, 62944440), (5, 50355552), (6, 41962960), (8, 31472220), (10, 25177776), (12, 20981480), (13, 19367520), (15, 16785184), (16, 15736110), (20, 12588888), (24, 10490740), (26, 9683760), (30, 8392592), (32, 7868055), (39, 6455840), (40, 6294444), (48, 5245370), (52, 4841880), (60, 4196296), (65, 3873504), (78, 3227920), (80, 3147222), (96, 2622685), (104, 2420940), (120, 2098148), (130, 1936752), (156, 1613960), (157, 1603680), (160, 1573611), (195, 1291168), (208, 1210470), (240, 1049074), (257, 979680), (260, 968376), (312, 806980), (314, 801840), (390, 645584), (416, 605235), (471, 534560), (480, 524537), (514, 489840), (520, 484188), (624, 403490), (628, 400920), (771, 326560), (780, 322792), (785, 320736), (942, 267280), (1028, 244920), (1040, 242094), (1248, 201745), (1256, 200460), (1285, 195936), (1542, 163280), (1560, 161396), (1570, 160368), (1884, 133640), (2041, 123360), (2056, 122460), (2080, 121047), (2355, 106912), (2512, 100230), (2570, 97968), (3084, 81640), (3120, 80698), (3140, 80184), (3341, 75360), (3768, 66820), (3855, 65312), (4082, 61680), (4112, 61230), (4710, 53456), (5024, 50115), (5140, 48984), (6123, 41120), (6168, 40820), (6240, 40349), (6280, 40092), (6682, 37680), (7536, 33410), (7710, 32656), (8164, 30840), (8224, 30615), (9420, 26728), (10023, 25120), (10205, 24672), (10280, 24492), (12246, 20560), (12336, 20410), (12560, 20046), (13364, 18840), (15072, 16705), (15420, 16328)]